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  1. Bukhari SNA, Roswandi NL, Waqas M, Habib H, Hussain F, Khan S, et al.
    Int J Biol Macromol, 2018 Dec;120(Pt B):1682-1695.
    PMID: 30287361 DOI: 10.1016/j.ijbiomac.2018.09.188
    Hyaluronic acid (HA) plays multifaceted role in regulating the various biological processes such as skin repairmen, diagnosis of cancer, wound healing, tissue regeneration, anti-inflammatory, and immunomodulation. Owing to its remarkable biomedical and tissue regeneration potential, HA has been numerously employed as one of the imperative components of the cosmetic and nutricosmetic products. The present review aims to summarize and critically appraise recent developments and clinical investigations on cosmetic and nutricosmetic efficacy of HA for skin rejuvenation. A thorough analysis of the literature revealed that HA based formulations (i.e., gels, creams, intra-dermal filler injections, dermal fillers, facial fillers, autologous fat gels, lotion, serum, and implants, etc.) exhibit remarkable anti-wrinkle, anti-nasolabial fold, anti-aging, space-filling, and face rejuvenating properties. This has been achieved via soft tissue augmentation, improved skin hydration, collagen and elastin stimulation, and face volume restoration. HA, alone or in combination with lidocaine and other co-agents, showed promising efficacy in skin tightness and elasticity, face rejuvenation, improving aesthetic scores, reducing the wrinkle scars, longevity, and tear trough rejuvenation. Our critical analysis evidenced that application/administration of HA exhibits outstanding nutricosmetic efficacy and thus is warranted to be used as a prime component of cosmetic products.
    Matched MeSH terms: Hyaluronic Acid/pharmacology*
  2. Dasrilsyah AM, Wan Abdul Halim WH, Mustapha M, Tang SF, Kaur B, Ong EY, et al.
    Cornea, 2023 Nov 01;42(11):1395-1403.
    PMID: 37267451 DOI: 10.1097/ICO.0000000000003308
    PURPOSE: The aim of this study was to measure and compare the effect of topical insulin (0.5 units, 4 times per day) versus artificial tears (Vismed, sodium hyaluronate 0.18%, 4 times per day) for the healing of postoperative corneal epithelial defects induced during vitreoretinal surgery in diabetic patients.

    METHODS: This is a double-blind randomized controlled hospital-based study involving diabetic patients with postoperative corneal epithelial defects after vitreoretinal surgery. Diabetic patients were randomized into 2 different groups and received either 0.5 units of topical insulin (DTI) or artificial tears (Vismed, sodium hyaluronate 0.18%; DAT). The primary outcome measured was the rate of corneal epithelial wound healing (mm 2 /h) over a preset interval and time from baseline to minimum size of epithelial defect on fluorescein-stained anterior segment digital camera photography. The secondary outcome measured was the safety of topical insulin 0.5 units and artificial tears (Vismed, sodium hyaluronate 0.18%). Patients were followed up until 3 months postoperation.

    RESULTS: A total of 38 eyes from 38 patients undergoing intraoperative corneal debridement during vitreoretinal surgery with resultant epithelial defects (19 eyes per group) were analyzed. DTI was observed to have a significantly higher healing rate compared with the DAT group at rates over 36 hours ( P = 0.010), 48 hours ( P = 0.009), and 144 hours ( P = 0.009). The rate from baseline to closure was observed to be significantly higher in the DTI group (1.20 ± 0.29) (mm 2 /h) compared with the DAT group (0.78 ± 0.20) (mm 2 /h) as well ( P < 0.001). No adverse effect of topical insulin and artificial tears was reported.

    CONCLUSIONS: Topical insulin (0.5 units, 4 times per day) is more effective compared with artificial tears (Vismed, sodium hyaluronate 0.18%, 4 times per day) for the healing of postoperative corneal epithelial defects induced during vitreoretinal surgery in diabetic patients, without any adverse events.

    Matched MeSH terms: Hyaluronic Acid/pharmacology
  3. Mlambo LK, Abbasiliasi S, Tang HW, Ng ZJ, Parumasivam T, Hanafiah KM, et al.
    Curr Microbiol, 2022 Oct 17;79(12):359.
    PMID: 36251092 DOI: 10.1007/s00284-022-03038-6
    This study aims to evaluate the effects of bioactive metabolites produced by lactic acid bacteria against methicillin-resistant Staphylococcus aureus (MRSA) ATCC 43300. A total of six lactic acid bacteria (LAB) were selected to evaluate the antimicrobial activity against MRSA ATCC 43300, a skin pathogen that is highly resistant to most antibiotics. The K014 isolate from a fermented vegetable recorded the highest inhibition against MRSA ATCC 43300 at 91.93 ± 0.36%. 16S rRNA sequencing revealed the K014 isolate is closely related to L. plantarum and the sequence was subsequently deposited in the GenBank database with an accession number of MW180960, named as Lactiplantibacillus plantarum K014. The cell-free supernatant (CFS) of L. plantarum K014 had tolerance to high temperature as well as acidic pH. The bioactive metabolites, such as hydrogen peroxide, lactic acid and hyaluronic acid, were produced by L. plantarum K014. Result from ABTS assay showed higher antioxidant activity (46.28%) as compared to that obtained by DPPH assay (2.97%). The CFS had showed anti-inflammatory activity for lipoxygenase (LOX) assay at 43.66%. The bioactive metabolites of L. plantarum K014 showed very promising potential to be used topical skin pathogens.
    Matched MeSH terms: Hyaluronic Acid/pharmacology
  4. Lew LC, Liong MT
    J Appl Microbiol, 2013 May;114(5):1241-53.
    PMID: 23311666 DOI: 10.1111/jam.12137
    Probiotics have been extensively reviewed for decades, emphasizing on improving general gut health. Recently, more studies showed that probiotics may exert other health-promoting effects beyond gut well-being, attributed to the rise of the gut-brain axis correlations. Some of these new benefits include skin health such as improving atopic eczema, atopic dermatitis, healing of burn and scars, skin-rejuvenating properties and improving skin innate immunity. Increasing evidence has also showed that bacterial compounds such as cell wall fragments, their metabolites and dead bacteria can elicit certain immune responses on the skin and improve skin barrier functions. This review aimed to underline the mechanisms or the exact compounds underlying the benefits of bacterial extract on the skin based on evidences from in vivo and in vitro studies. This review could be of help in screening of probiotic strains with potential dermal enhancing properties for topical applications.
    Matched MeSH terms: Hyaluronic Acid/pharmacology
  5. Hussain Z, Thu HE, Shuid AN, Katas H, Hussain F
    Curr Drug Targets, 2018;19(5):527-550.
    PMID: 28676002 DOI: 10.2174/1389450118666170704132523
    BACKGROUND: Diabetic foot ulcers (DFUs) are the chronic, non-healing complications of diabetic mellitus which compels a significant burden to the patients and the healthcare system. Peripheral vascular disease, diabetic neuropathy, and abnormal cellular and cytokine/chemokine activity are among the prime players which exacerbate the severity and prevent wound repair. Unlike acute wounds, DFUs impose a substantial challenge to the conventional wound dressings and demand the development of novel and advanced wound healing modalities. In general, an ideal wound dressing should provide a moist wound environment, offer protection from secondary infections, eliminate wound exudate and stimulate tissue regeneration.

    OBJECTIVE: To date, numerous conventional wound dressings are employed for the management of DFUs but there is a lack of absolute and versatile choice. The current review was therefore aimed to summarize and critically discuss the available evidences related to pharmaceutical and therapeutic viability of polymer-based dressings for the treatment of DFUs.

    RESULTS: A versatile range of naturally-originated polymers including chitosan (CS), hyaluronic acid (HA), cellulose, alginate, dextran, collagen, gelatin, elastin, fibrin and silk fibroin have been utilized for the treatment of DFUs. These polymers have been used in the form of hydrogels, films, hydrocolloids, foams, membranes, scaffolds, microparticles, and nanoparticles. Moreover, the wound healing viability and clinical applicability of various mutually modified, semi-synthetic or synthetic polymers have also been critically discussed.

    CONCLUSION: In summary, this review enlightens the most recent developments in polymer-based wound dressings with special emphasis on advanced polymeric biomaterials, innovative therapeutic strategies and delivery approaches for the treatment of DFUs.

    Matched MeSH terms: Hyaluronic Acid/pharmacology
  6. Zhuo F, Abourehab MAS, Hussain Z
    Carbohydr Polym, 2018 Oct 01;197:478-489.
    PMID: 30007638 DOI: 10.1016/j.carbpol.2018.06.023
    Nano-delivery systems have gained remarkable recognition for targeted delivery of therapeutic payload, reduced off-target effects, and improved biopharmaceutical profiles of drugs. Therefore, we aimed to fabricate polymeric nanoparticles (NPs) to deliver tacrolimus (TCS) to deeper layers of the skin in order to alleviate its systemic toxicity and improved therapeutic efficacy against atopic dermatitis (AD). To further optimize the targeting efficiency, TCS-loaded NPs were coated with hyaluronic acid (HA). Following the various physicochemical optimizations, the prepared HA-TCS-CS-NPs were tested for in vitro drug release kinetics, drug permeation across the stratum corneum, percentage of drug retained in the epidermis and dermis, and anti-AD efficacy. Results revealed that HA-TCS-CS-NPs exhibit sustained release profile, promising drug permeation ability, improved skin retention, and pronounced anti-AD efficacy. Conclusively, we anticipated that HA-based modification of TCS-CS-NPs could be a promising therapeutic approach for rationalized management of AD, particularly in children as well as in adults having steroid phobia.
    Matched MeSH terms: Hyaluronic Acid/pharmacology*
  7. Shah SA, Sohail M, Minhas MU, Khan S, Hussain Z, Mahmood A, et al.
    Int J Biol Macromol, 2021 Aug 31;185:350-368.
    PMID: 34171251 DOI: 10.1016/j.ijbiomac.2021.06.119
    Injectable hydrogel with multifunctional tunable properties comprising biocompatibility, anti-oxidative, anti-bacterial, and/or anti-infection are highly preferred to efficiently promote diabetic wound repair and its development remains a challenge. In this study, we report hyaluronic acid and Pullulan-based injectable hydrogel loaded with curcumin that could potentiate reepithelization, increase angiogenesis, and collagen deposition at wound microenvironment to endorse healing cascade compared to other treatment groups. The physical interaction and self-assembly of hyaluronic acid-Pullulan-grafted-pluronic F127 injectable hydrogel were confirmed using nuclear magnetic resonance (1H NMR) and Fourier transformed infrared spectroscopy (FT-IR), and cytocompatibility was confirmed by fibroblast viability assay. The CUR-laden hyaluronic acid-Pullulan-g-F127 injectable hydrogel promptly undergoes a sol-gel transition and has proved to potentiate wound healing in a streptozotocin-induced diabetic rat model by promoting 93% of wound closure compared to other groups having 35%, 38%, and 62%. The comparative in vivo study and histological examination was conducted which demonstrated an expeditious recovery rate by significantly reducing the wound healing days i.e. 35 days in a control group, 33 days in the CUR suspension group, 21 days in unloaded injectable, and 13 days was observed in CUR loaded hydrogel group. Furthermore, we suggest that the injectable hydrogel laden with CUR showed a prompt wound healing potential by increasing the cell proliferation and serves as a drug delivery platform for sustained and targeted delivery of hydrophobic moieties.
    Matched MeSH terms: Hyaluronic Acid/pharmacology
  8. Suhaeb AM, Naveen S, Mansor A, Kamarul T
    Indian J Exp Biol, 2012 Jun;50(6):383-90.
    PMID: 22734248
    Despite being a complex degenerative joint disease, studies on osteoarthritis (OA) suggest that its progression can be reduced by the use of hyaluronic acid (HA) or mesenchymal stem cells (MSC). The present study thus aims to examine the effects of MSC, HA and the combination of HA-MSC in treating OA in rat model. The histological observations using O'Driscoll score indicate that it is the use of HA and MSC independently and not their combination that delays the progression of OA. In conclusion, the preliminary study suggest that the use of either HA or MSCs effectively reduces OA progression better than their combined use.
    Matched MeSH terms: Hyaluronic Acid/pharmacology*
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