Introduction: Postpartum depression (PPD) is the most prevalent postpartum complication, significantly diminishing sexual function in marital life. It may result in visible developmental delays, social and interactive challenges in infants, and marital stress leading to divorce. The present study aimed to examine the effect of organic selenium ( yeast enriched with sodium selenite) and sodium selenite on PPD and sexual satisfaction.
View Article and Find Full Text PDFHuman Immunodeficiency Virus (HIV) infection is among the most challenging issues in the healthcare system, presenting significant financial and hygiene problems with a wide range of clinical manifestations. Despite the hopeful outcomes of Antiretroviral Therapies (ARTs), the current strategies for the treatment of patients with HIV infection have not shown clinical significance for all subjects, which is mainly due to the complexity of the disease. Therefore, the need for collaborative and interdisciplinary research focused on deciphering the multifaceted cellular, and molecular immunopathogenesis of HIV remains essential in the development of innovative and more efficacious therapeutic approaches.
View Article and Find Full Text PDFOligonucleotide-based nanogels, as nascent biomaterials, possess several unique functional, structural, and physicochemical features with excellent drug-loading capacity and high potential for cancer gene therapy. Ongoing studies utilizing oligonucleotide-based nanogels hold great promise, as these cutting-edge nanoplatforms can be elegantly developed with predesigned oligonucleotide sequences and complementary strands which are self-assembled or chemically crosslinked leading to the development of nanogels with predictable shape and tunable size with the desired functional properties. Current paper provides a summary of the properties, preparation methods, and applications of oligonucleotide-based nanogels in cancer therapy.
View Article and Find Full Text PDFOsteoarthritis (OA) can arise from various factor including trauma, overuse, as well as degeneration resulting from age or disease. The specific treatment options will vary based on the severity of the condition, and the affected joints. Some common treatments for OA include lifestyle modifications, medications, physical therapy, surgery and tissue engineering (TE).
View Article and Find Full Text PDFIntroduction: Diabetes mellitus is one of the challenging health problems worldwide. Multiple daily subcutaneous injection of insulin causes poor compliance in patients. Development of efficient oral formulations to improve the quality of life of such patients has been an important goal in pharmaceutical industry.
View Article and Find Full Text PDFDespite the recent advances in the development of bone graft substitutes, treatment of critical size bone defects continues to be a significant challenge, especially in the elderly population. A current approach to overcome this challenge involves the creation of bone-mimicking scaffolds that can simultaneously promote osteogenesis and angiogenesis. In this context, incorporating multiple bioactive agents like growth factors, genes, and small molecules into these scaffolds has emerged as a promising strategy.
View Article and Find Full Text PDFBackground: This study describes the launching of a unit for continuous kangaroo mother care (KMC) in a teaching hospital (Taleghani) in Iran.
Methods: We used a participatory three-stage action research approach to establish a unit for continuous KMC: design (needs identification and planning for change); implementation (and reflection); and evaluation (and institutionalization). As part of the design and implementation stages, individual and focus group interviews were conducted with mothers, physicians, nurses, other healthcare personnel and policy makers.
Exploring efficient strategies to eradicate the tumor tissue and enhance patient outcomes still remained a serious challenge. Systemic toxicity of the current chemotherapeutics and their low concentration in the tumor site limited reaching a practical approach in their administration and combinational therapy. Besides, complicated delivery platforms could not receive the marketing approval due to difficulties in scale up procedures.
View Article and Find Full Text PDFMultiple Sclerosis (MS) is an autoimmune disease with complicated immunopathology which necessitates considering multifactorial aspects for its management. Nano-sized pharmaceutical carriers named nanoparticles (NPs) can support impressive management of disease not only in early detection and prognosis level but also in a therapeutic manner. The most prominent initiator of MS is the domination of cellular immunity to humoral immunity and increment of inflammatory cytokines.
View Article and Find Full Text PDFFor the first time, we synthesized the co-delivery nanopolymers using zein protein as the core and chitosan polysaccharide as the shell to deliver curcumin (Cur) and berberine (Ber) in MDA-MB-231 breast cancer cells. It has been shown that Cur and Ber altogether have synergistic effects on multiple cancers. Herein, the curcumin-zein-berberine-chitosan (Cur-Z-Ber-Ch) nanoparticles were fabricated and their organization procedure was reported.
View Article and Find Full Text PDFInjectable in situ forming hydrogels are amongst the efficient local drug delivery systems for cancer therapy. Providing a 3D hydrogel network within the target tissue capable of sustained release of the chemotherapeutics made them attractive candidates for increasing the therapeutic index. Remarkable swelling properties, mechanical strength, biocompatibility, wide composition variety and tunable polymeric moieties have led to preparation of injectable hydrogels which also could be used as cavity adaptive chemotherapeutic-loaded implants to prevent post -surgical cancer recurrence.
View Article and Find Full Text PDFKangaroo mother care (KMC), as a complement to incubator care, is one of the ten recommendations of the World Health Organization (WHO) for the care of preterm infants. The KMC stabilizes the heart rate, improves oxygen saturation, makes weight gain better, and reduces crying in the infant. In order to launch KMC unit, the barriers for implementing this type of care should be recognized.
View Article and Find Full Text PDFThe novel coronavirus outbreak caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was recognized in late 2019 in Wuhan, China. Subsequently, the World Health Organization declared coronavirus disease 2019 (COVID-19) as a pandemic on 11 March 2020. The proportion of potentially fatal coronavirus infections may vary by location, age, and underlying risk factors.
View Article and Find Full Text PDFBackground: The efficacy of continuous kangaroo mother care (C-KMC) in reducing neonatal mortality and morbidity among low birthweight and premature infants has been confirmed. Despite the recommendations of the World Health Organization, UNICEF, and the Ministry of Health of Iran to use C-KMC for eligible hospitalized neonates, this type of care is not performed due to implementation problems. This protocol aims to describe the design, implementation, and assessment of C-KMC in one tertiary hospital by means of participatory action research.
View Article and Find Full Text PDFAims: In the current study, resveratrol-loaded PLGA nanoparticles targeted with folate were developed in order to protect resveratrol from fast degradation, modify its pharmacokinetics and increase its intestinal permeation. Then, the therapeutic efficacy of the prepared system was evaluated in suppression of colon inflammation on TNBS-induced colitis model.
Main Methods: In this regard, resveratrol was encapsulated in PLGA and FA-conjugated PLGA in order to prepare non-targeted (PLGA-RSV) and targeted (PLGA-FA-RSV) platforms, respectively.
Nanogels as a versatile vehicle for doxorubicin have attracted great attention during the last decade. Since a nanogel composite device transport encapsulated drugs to the site of action and release them in a desirable time-frame, it could provide higher therapeutic effect. By implementation of different polymers, polymer/inorganic NPs and various crosslinking chemistry, it is possible to fabricate novel composite nanogel systems with favorable characteristics such as smart intelligent systems or multipurpose platforms.
View Article and Find Full Text PDFAim: Gestational Trophoblastic Neoplasia (GTN) is used to describe a group of malignant gestational tumors originating from the placenta. The chance of having malignant GTN is high in a high-risk molar pregnancy. The main aim of this study is to investigate the effectiveness of using prophylactic chemotherapy in high-risk molar pregnancy to prevent malignant GTN.
View Article and Find Full Text PDFObjectives: Urinary incontinence (UI) and anal incontinence (AI) cause concern, social exclusion, and ultimately reduced quality of life in women. The aim of present study was to assess the prevalence and related risk factors of UI, AI, and pelvic organ prolapse (POP).
Methods: The present study recruited 340 menopausal women living in Tabriz in northwest Iran.
Gold NPs have great potential in biomedical applications. PAMAM dendrimers are spherical, hyper branched macromolecules which can encapsulate therapeutic molecules while stabilizing metal nanoparticle such as gold NPs. The aim of the current study was to investigate the theranostic capability of curcumin-loaded dendrimer-gold hybrid structure.
View Article and Find Full Text PDFTo efficiently deliver the chemotherapeutics to the tumor tissue and minimize the associated adverse effects, nucleolin targeted hybrid nanostructure based on hollow mesoporous silica nanoparticles (HMSNs) were fabricated. To provide the controlled, sustained drug release and enhance blood circulation, the surface of doxorubicin-encapsulated HMSNs were coated with acetylated carboxymethyl cellulose (Ac-CMC) and then covalently conjugated to AS1411 aptamer for guided drug delivery to nucleolin overexpressed cancerous cells. In vitro cellular uptake and cytotoxicity studies confirmed that AS1411 aptamer specifically targets nucleolin overexpressing MCF-7 and C26 cells.
View Article and Find Full Text PDFIn the present study, we fabricated an efficient, simple biomimetic scaffold to stimulate osteogenic differentiation of mesenchymal stem cells (MSCs). Electrospun poly L-lactic acid nanofibers were employed to mimic the nanofibrillar structure of bone proteins and coated with hydroxyapatite nanoparticles to simulate bone minerals. Thereafter, we regulated the release pattern of BMP-2 peptide through covalent attachment of an optimized liposomal formulation to the scaffold.
View Article and Find Full Text PDFNew integrin-targeted nanoparticles made of chitosan-stabilized PLGA matrix was developed to specifically target colon adenocarcinoma. To this aim, SN38-encapsulated chitosan-coated PLGA NPs were conjugated with tetrac for integrin receptor-guided delivery. To provide a sustained release pattern for SN38, it was loaded into nanoparticles using single emulsion method.
View Article and Find Full Text PDFSN38 is an active metabolite of irinotecan, which was approved for clinical use in metastatic colorectal cancers. However, poor aqueous solubility and inactivation at pH below 6 are the main limitations of its use. In the current study, we separately conjugated α-, β- and γ-cyclodextrins to graphene oxide sheets to produce stable, biocompatible nanocarriers for SN38 delivery.
View Article and Find Full Text PDFBone nonunion may occur when the fracture is unstable, or blood supply is impeded. To provide an effective treatment for the healing of nonunion defects, we introduce an injectable osteogenic hydrogel that can deliver cells and vasculogenic growth factors. We used a silicate-based shear-thinning hydrogel (STH) to engineer an injectable scaffold and incorporated polycaprolactone (PCL) nanoparticles that entrap and release vasculogenic growth factors in a controlled manner.
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