• Reference Citation Analysis
  • v
  • v
  • Find an Article
Find an Article PDF (5067629)   Today's Articles (22)
For: Putra A, Alif I, Hamra N, Santosa O, Kustiyah AR, Muhar AM, Lukman K. MSC-released TGF-β regulate α-SMA expression of myofibroblast during wound healing. J Stem Cells Regen Med 2020;16:73-79. [PMID: 33414583 DOI: 10.46582/jsrm.1602011] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 10/14/2020] [Indexed: 12/27/2022]
Number Cited by Other Article(s)
1
Sasaki Y, Ohnishi S, Takahashi H, Ishikawa K, Miura T, Funayama E, Okubo N, Yamamoto Y, Maeda T. Extracellular matrix modulating effects of amnion-derived mesenchymal stem cells on aging skin wounds in α-Klotho knockout mice. Geriatr Gerontol Int 2025;25:701-708. [PMID: 40229127 DOI: 10.1111/ggi.70043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2025] [Revised: 03/11/2025] [Accepted: 03/25/2025] [Indexed: 04/16/2025]
2
Jin Z, Dai W, Huang Z, Li Q, Zhu Y, Wang W, Xu H. Engineered Titanium Oxide Nanoplatform for Targeted Photodynamic/Photothermal-Gas Therapy in Keloid Treatment. ACS APPLIED MATERIALS & INTERFACES 2025;17:20705-20716. [PMID: 40138575 DOI: 10.1021/acsami.4c22289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2025]
3
El-Shiekh RA, Radi MH, Elshimy R, Abdel-Sattar E, El-Halawany AM, Ibrahim MA, Ali ME, Hassanen EI. Friedelin: A natural compound exhibited potent antibacterial, anti-inflammatory, and wound healing properties against MRSA-infected wounds. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2025:10.1007/s00210-025-03965-8. [PMID: 40100378 DOI: 10.1007/s00210-025-03965-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2024] [Accepted: 02/19/2025] [Indexed: 03/20/2025]
4
Naik K, Tripathi S, Ranjan R, Agrawal S, Singh S, Dhar P, Singh K, Tiwari V, Parmar AS. Conductive Hybrid Hydrogel of Carbon Nanotubes-Protein-Cellulose: In Vivo Treatment of Diabetic Wound via Photothermal Therapy and Tracking Real-Time Wound Assessment via Photoacoustic Imaging. ACS APPLIED BIO MATERIALS 2025;8:2229-2241. [PMID: 39968957 DOI: 10.1021/acsabm.4c01755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2025]
5
Poorkazem H, Saber M, Moradmand A, Yakhkeshi S, Seydi H, Hajizadeh-Saffar E, Shekari F, Hassani SN. Comparative effects of various extracellular vesicle subpopulations derived from clonal mesenchymal stromal cells on cultured fibroblasts in wound healing-related process. Int J Biochem Cell Biol 2025;180:106737. [PMID: 39828140 DOI: 10.1016/j.biocel.2025.106737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2024] [Revised: 12/25/2024] [Accepted: 01/09/2025] [Indexed: 01/22/2025]
6
Maleki MH, Miladpour B, Mazhari SA, Far MH, Rajabi M, Alinejad M, Dehghanian A, Beigmohammadi F, Esmaeli N, Siri M, Aryanian Z. Exploring Isotretinoin's Unexpected Acceleration of wound Healing: A rat model study. Int Immunopharmacol 2025;148:114145. [PMID: 39889411 DOI: 10.1016/j.intimp.2025.114145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2024] [Revised: 01/05/2025] [Accepted: 01/20/2025] [Indexed: 02/03/2025]
7
Doci RSA, Carvalho FFD, Gomes RC, Gianini RJ, Fanelli C, Noronha IDL, Santos NBD, Hausen MDA, Komatsu D, Randazzo-Moura P. Pharmacological effects of triamcinolone associated with surgical glue on cutaneous wound healing in rats. Acta Cir Bras 2024;39:e399624. [PMID: 39661810 DOI: 10.1590/acb399624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2024] [Accepted: 09/30/2024] [Indexed: 12/13/2024]  Open
8
Huang Z, Iqbal Z, Zhao Z, Liu J, Alabsi AM, Shabbir M, Mahmood A, Liang Y, Li W, Deng Z. Cellular crosstalk in the bone marrow niche. J Transl Med 2024;22:1096. [PMID: 39627858 PMCID: PMC11613879 DOI: 10.1186/s12967-024-05900-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2024] [Accepted: 11/19/2024] [Indexed: 12/08/2024]  Open
9
Arai K, Yoshida S, Furuichi E, Iwanaga S, Mir TA, Yoshida T. Transplanted artificial amnion membrane enhanced wound healing in third-degree burn injury diabetic mouse model. Regen Ther 2024;27:170-180. [PMID: 38571890 PMCID: PMC10987674 DOI: 10.1016/j.reth.2024.03.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/29/2024] [Accepted: 03/15/2024] [Indexed: 04/05/2024]  Open
10
Sharma Y, Ghatak S, Sen CK, Mohanty S. Emerging technologies in regenerative medicine: The future of wound care and therapy. J Mol Med (Berl) 2024;102:1425-1450. [PMID: 39358606 DOI: 10.1007/s00109-024-02493-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 09/10/2024] [Accepted: 09/23/2024] [Indexed: 10/04/2024]
11
Kusumo MHB, Prayitno A, Soetrisno, Laqif A. Synergistic therapeutic approach for hemorrhoids: integrating mesenchymal stem cells with diosmin-hesperidin to target tissue edema and inflammation. Arch Med Sci 2024;20:1556-1566. [PMID: 39649264 PMCID: PMC11623161 DOI: 10.5114/aoms/183465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 01/30/2024] [Indexed: 12/10/2024]  Open
12
Kim SH, Shin HL, Son TH, Lim SA, Kim D, Yoon JH, Choi H, Kim HG, Choi SW. Quercus glauca Acorn Seed Coat Extract Promotes Wound Re-Epithelialization by Facilitating Fibroblast Migration and Inhibiting Dermal Inflammation. BIOLOGY 2024;13:775. [PMID: 39452084 PMCID: PMC11505045 DOI: 10.3390/biology13100775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2024] [Revised: 09/23/2024] [Accepted: 09/26/2024] [Indexed: 10/26/2024]
13
Bakadia BM, Zheng R, Qaed Ahmed AA, Shi Z, Babidi BL, Sun T, Li Y, Yang G. Teicoplanin-Decorated Reduced Graphene Oxide Incorporated Silk Protein Hybrid Hydrogel for Accelerating Infectious Diabetic Wound Healing and Preventing Diabetic Foot Osteomyelitis. Adv Healthc Mater 2024;13:e2304572. [PMID: 38656754 DOI: 10.1002/adhm.202304572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/08/2024] [Indexed: 04/26/2024]
14
Duan S, Ding Z, Liu C, Wang X, Dai E. Icariin suppresses nephrotic syndrome by inhibiting pyroptosis and epithelial-to-mesenchymal transition. PLoS One 2024;19:e0298353. [PMID: 38995910 PMCID: PMC11244770 DOI: 10.1371/journal.pone.0298353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 01/22/2024] [Indexed: 07/14/2024]  Open
15
Enayati S, Halabian R, Saffarian P, Aghamollaei H, Saeedi P. Nisin-preconditioned mesenchymal stem cells combatting nosocomial Pseudomonas infections. Regen Ther 2024;26:161-169. [PMID: 38911027 PMCID: PMC11192785 DOI: 10.1016/j.reth.2024.05.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/19/2024] [Accepted: 05/26/2024] [Indexed: 06/25/2024]  Open
16
Martorana A, Lenzuni M, Contardi M, Palumbo FS, Cataldo S, Pettignano A, Catania V, Schillaci D, Summa M, Athanassiou A, Fiorica C, Bertorelli R, Pitarresi G. Schiff Base-Based Hydrogel Embedded with In Situ Generated Silver Nanoparticles Capped by a Hyaluronic Acid-Diethylenetriamine Derivative for Wound Healing Application. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38603548 DOI: 10.1021/acsami.4c00657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
17
Robinson CJ, Thiagarajan L, Maynard R, Aruketty M, Herrera J, Dingle L, Reid A, Wong J, Cao H, Dooley J, Liston A, Müllhaupt D, Hiebert P, Hiebert H, Kurinna S. Release of miR-29 Target Laminin C2 Improves Skin Repair. THE AMERICAN JOURNAL OF PATHOLOGY 2024;194:195-208. [PMID: 37981221 DOI: 10.1016/j.ajpath.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 10/19/2023] [Accepted: 11/06/2023] [Indexed: 11/21/2023]
18
Pramanik N, Gupta A, Ghanwatkar Y, Mahato RI. Recent advances in drug delivery and targeting for the treatment of pancreatic cancer. J Control Release 2024;366:231-260. [PMID: 38171473 PMCID: PMC10922996 DOI: 10.1016/j.jconrel.2023.12.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/24/2023] [Accepted: 12/29/2023] [Indexed: 01/05/2024]
19
Lin X, Lai Y. Scarring Skin: Mechanisms and Therapies. Int J Mol Sci 2024;25:1458. [PMID: 38338767 PMCID: PMC10855152 DOI: 10.3390/ijms25031458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/19/2024] [Accepted: 01/20/2024] [Indexed: 02/12/2024]  Open
20
Amansyah F, Budu B, Achmad MH, Daud NMAS, Putra A, Massi MN, Bukhari A, Hardjo M, Parewangi L, Patellongi I. Secretome of Hypoxia-Preconditioned Mesenchymal Stem Cells Promotes Liver Regeneration and Anti-Fibrotic Effect in Liver Fibrosis Animal Model. Pak J Biol Sci 2024;27:18-26. [PMID: 38413394 DOI: 10.3923/pjbs.2024.18.26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
21
Las Heras K, Garcia-Orue I, Aguirre JJ, de la Caba K, Guerrero P, Igartua M, Santos-Vizcaino E, Hernandez RM. Soy protein/β-chitin sponge-like scaffolds laden with human mesenchymal stromal cells from hair follicle or adipose tissue promote diabetic chronic wound healing. BIOMATERIALS ADVANCES 2023;155:213682. [PMID: 37925826 DOI: 10.1016/j.bioadv.2023.213682] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/10/2023] [Accepted: 10/31/2023] [Indexed: 11/07/2023]
22
Yilmaz F, Ilgen O, Mankan A, Yilmaz B, Kurt S. The effects of berberine on ischemia-reperfusion injuries in an experimental model of ovarian torsion. Clin Exp Reprod Med 2023;50:292-298. [PMID: 37995758 PMCID: PMC10711249 DOI: 10.5653/cerm.2023.06366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/29/2023] [Accepted: 08/31/2023] [Indexed: 11/25/2023]  Open
23
Patel H, Pundkar A, Shrivastava S, Chandanwale R, Jaiswal AM. A Comprehensive Review on Platelet-Rich Plasma Activation: A Key Player in Accelerating Skin Wound Healing. Cureus 2023;15:e48943. [PMID: 38106716 PMCID: PMC10725573 DOI: 10.7759/cureus.48943] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 11/17/2023] [Indexed: 12/19/2023]  Open
24
Hodge JG, Robinson JL, Mellott AJ. Mesenchymal Stem Cell Extracellular Vesicles from Tissue-Mimetic System Enhance Epidermal Regeneration via Formation of Migratory Cell Sheets. Tissue Eng Regen Med 2023;20:993-1013. [PMID: 37515738 PMCID: PMC10519905 DOI: 10.1007/s13770-023-00565-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/14/2023] [Accepted: 06/19/2023] [Indexed: 07/31/2023]  Open
25
Ma Z, Shen P, Xu X, Li W, Li Y. Role of alpha smooth muscle actin in odontogenic differentiation of dental pulp stem cells. Eur J Oral Sci 2023;131:e12956. [PMID: 37849216 DOI: 10.1111/eos.12956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 09/20/2023] [Indexed: 10/19/2023]
26
Sazli BI, Lindarto D, Hasan R, Putra A, Pranoto A, Sembiring RJ, Ilyas S, Syafril S. Secretome of Hypoxia-Preconditioned Mesenchymal Stem Cells Enhance Angiogenesis in Diabetic Rats with Peripheral Artery Disease. Med Arch 2023;77:90-96. [PMID: 37260802 PMCID: PMC10227841 DOI: 10.5455/medarh.2023.77.90-96] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 03/24/2023] [Indexed: 09/29/2023]  Open
27
Zhang S, Pan Y, Mao Z, Zhang J, Zhang K, Yin J, Wang C. Hyaluronic acid-g-lipoic acid granular gel for promoting diabetic wound healing. Bioeng Transl Med 2023;8:e10402. [PMID: 36925704 PMCID: PMC10013829 DOI: 10.1002/btm2.10402] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 08/14/2022] [Accepted: 08/22/2022] [Indexed: 11/07/2022]  Open
28
The Fabrication of Gelatin-Elastin-Nanocellulose Composite Bioscaffold as a Potential Acellular Skin Substitute. Polymers (Basel) 2023;15:polym15030779. [PMID: 36772084 PMCID: PMC9920652 DOI: 10.3390/polym15030779] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 01/29/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023]  Open
29
Zukhiroh Z, Putra A, Chodidjah C, Sumarawati T, Subchan P, Trisnadi S, Hidayah N, Amalina ND. Effect of Secretome-Hypoxia Mesenchymal Stem Cells on Regulating SOD and MMP-1 mRNA Expressions in Skin Hyperpigmentation Rats. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.10348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]  Open
30
Khan I, Siddiqui MN, Jameel F, Qazi REM, Salim A, Aslam S, Zaidi MB. Potential of stem cell seeded three-dimensional scaffold for regeneration of full-thickness skin wounds. Interface Focus 2022;12:20220017. [PMID: 35996740 PMCID: PMC9372646 DOI: 10.1098/rsfs.2022.0017] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 07/14/2022] [Indexed: 12/11/2022]  Open
31
Takaya K, Aramaki-Hattori N, Sakai S, Okabe K, Asou T, Kishi K. Fibroblast Growth Factor 7 Suppresses Fibrosis and Promotes Epithelialization during Wound Healing in Mouse Fetuses. Int J Mol Sci 2022;23:ijms23137087. [PMID: 35806092 PMCID: PMC9266578 DOI: 10.3390/ijms23137087] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/23/2022] [Accepted: 06/24/2022] [Indexed: 02/07/2023]  Open
32
Gondaliya P, Sayyed AA, Bhat P, Mali M, Arya N, Khairnar A, Kalia K. Mesenchymal Stem Cell-Derived Exosomes Loaded with miR-155 Inhibitor Ameliorate Diabetic Wound Healing. Mol Pharm 2022;19:1294-1308. [PMID: 35294195 DOI: 10.1021/acs.molpharmaceut.1c00669] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
33
Singer AJ. Healing Mechanisms in Cutaneous Wounds: Tipping the Balance. TISSUE ENGINEERING. PART B, REVIEWS 2022;28:1151-1167. [PMID: 34915757 PMCID: PMC9587785 DOI: 10.1089/ten.teb.2021.0114] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
34
Al-Otaibi AM, Al-Gebaly AS, Almeer R, Albasher G, Al-Qahtani WS, Abdel Moneim AE. Melatonin pre-treated bone marrow derived-mesenchymal stem cells prompt wound healing in rat models. Biomed Pharmacother 2022;145:112473. [PMID: 34861635 DOI: 10.1016/j.biopha.2021.112473] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/16/2021] [Accepted: 11/23/2021] [Indexed: 01/16/2023]  Open
PrevPage 1 of 1 1Next
© 2004-2025 Baishideng Publishing Group Inc. All rights reserved. 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA