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Patridge E, Gorakshakar A, Molusky MM, Ogundijo O, Janevski A, Julian C, Hu L, Vuyisich M, Banavar G. Microbial functional pathways based on metatranscriptomic profiling enable effective saliva-based health assessments for precision wellness. Comput Struct Biotechnol J 2024; 23:834-842. [PMID: 38328005 PMCID: PMC10847690 DOI: 10.1016/j.csbj.2024.01.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 01/25/2024] [Accepted: 01/25/2024] [Indexed: 02/09/2024] Open
Abstract
It is increasingly recognized that an important step towards improving overall health is to accurately measure biomarkers of health from the molecular activities prevalent in the oral cavity. We present a general methodology for computationally quantifying the activity of microbial functional pathways using metatranscriptomic data. We describe their implementation as a collection of eight oral pathway scores using a large salivary sample dataset (n = 9350), and we evaluate score associations with oropharyngeal disease phenotypes within an unseen independent cohort (n = 14,129). Through this validation, we show that the relevant oral pathway scores are significantly worse in individuals with periodontal disease, acid reflux, and nicotine addiction, compared with controls. Given these associations, we make the case to use these oral pathway scores to provide molecular health insights from simple, non-invasive saliva samples, and as molecular endpoints for actionable interventions to address the associated conditions.
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Affiliation(s)
- Eric Patridge
- Viome Research Institute, Viome Life Sciences Inc., New York City, USA
| | - Anmol Gorakshakar
- Viome Research Institute, Viome Life Sciences Inc., New York City, USA
| | | | - Oyetunji Ogundijo
- Viome Research Institute, Viome Life Sciences Inc., New York City, USA
| | - Angel Janevski
- Viome Research Institute, Viome Life Sciences Inc., New York City, USA
| | - Cristina Julian
- Viome Research Institute, Viome Life Sciences Inc., New York City, USA
| | - Lan Hu
- Viome Research Institute, Viome Life Sciences Inc., New York City, USA
| | | | - Guruduth Banavar
- Viome Research Institute, Viome Life Sciences Inc., New York City, USA
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Ding Z, Cui J, Zhang Q, Feng J, Du B, Xue G, Yan C, Gan L, Fan Z, Feng Y, Zhao H, Xu Z, Yu Z, Fu T, Zhang R, Cui X, Tian Z, Chen J, Chen Y, Li Z, Zhong X, Lin Y, Yuan J. Detecting and quantifying Veillonella by real-time quantitative PCR and droplet digital PCR. Appl Microbiol Biotechnol 2024; 108:45. [PMID: 38175238 DOI: 10.1007/s00253-023-12861-1] [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: 05/30/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 01/05/2024]
Abstract
Veillonella spp. are Gram-negative opportunistic pathogens present in the respiratory, digestive, and reproductive tracts of mammals. An abnormal increase in Veillonella relative abundance in the body is closely associated with periodontitis, inflammatory bowel disease, urinary tract infections, and many other diseases. We designed a pair of primers and a probe based on the 16S rRNA gene sequences of Veillonella and conducted real-time quantitative PCR (qPCR) and droplet digital PCR (ddPCR) to quantify the abundance of Veillonella in fecal samples. These two methods were tested for specificity and sensitivity using simulated clinical samples. The sensitivity of qPCR was 100 copies/μL, allowing for the accurate detection of a wide range of Veillonella concentrations from 103 to 108 CFU/mL. The sensitivity of ddPCR was 11.3 copies/μL, only allowing for the accurate detection of Veillonella concentrations from 101 to 104 CFU/mL because of the limited number of droplets generated by ddPCR. ddPCR is therefore more suitable for the detection of low-abundance Veillonella samples. To characterize the validity of the assay system, clinical samples from children with inflammatory bowel disease were collected and analyzed, and the results were verified using isolation methods. We conclude that molecular assays targeting the 16S rRNA gene provides an important tool for the rapid diagnosis of chronic and infectious diseases caused by Veillonella and also supports the isolation and identification of Veillonella for research purposes. KEY POINTS: • With suitable primer sets, the qPCR has a wider detection range than ddPCR. • ddPCR is suitable for the detection of low-abundance samples. • Methods successfully guided the isolation of Veillonella in clinical sample.
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Affiliation(s)
- Zanbo Ding
- College of Life Sciences, Northwest A&F University, Yangling, China
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Jinghua Cui
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Qun Zhang
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Junxia Feng
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Bing Du
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Guanhua Xue
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Chao Yan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Lin Gan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Zheng Fan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Yanling Feng
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Hanqing Zhao
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Ziying Xu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Zihui Yu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Tongtong Fu
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Rui Zhang
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Xiaohu Cui
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Ziyan Tian
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Jinfeng Chen
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Yujie Chen
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Zhoufei Li
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China
| | - Xuemei Zhong
- Gastroenterology Department, Children's Hospital of Capital Institute of Pediatrics, Beijing, China.
| | - Yanbing Lin
- College of Life Sciences, Northwest A&F University, Yangling, China.
| | - Jing Yuan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing, China.
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Makwana P, Modi U, Dhimmar B, Vasita R. Design and development of in-vitro co-culture device for studying cellular crosstalk in varied tissue microenvironment. BIOMATERIALS ADVANCES 2024; 163:213952. [PMID: 38991495 DOI: 10.1016/j.bioadv.2024.213952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 06/16/2024] [Accepted: 07/03/2024] [Indexed: 07/13/2024]
Abstract
Despite of being in different microenvironment, breast cancer cells influence the bone cells and persuade cancer metastasis from breast to bone. Multiple co-culture approaches have been explored to study paracrine signaling between these cells and to study the progression of cancer. However, lack of native tissue microenvironment remains a major bottleneck in existing co-culture technologies. Therefore, in the present study, a tumorigenic and an osteogenic microenvironment have been sutured together to create a multi-cellular environment and has been appraised to study cancer progression in bone tissue. The PCL-polystyrene and PCL-collagen fibrous scaffolds were characterized for tumorigenic and osteogenic potential induction on MDA-MB-231 and MC3T3-E1 cells respectively. Diffusion ability of crystal violet, glucose, and bovine serum albumin across the membrane were used to access the potential paracrine interaction facilitated by device. While in co-cultured condition, MDA-MB-231 cells showed EMT phenotype along with secretion of TNFα and PTHrP which lower down the expression of osteogenic markers including alkaline phosphatase, RUNX2, Osteocalcin and Osteoprotegerin. The cancer progression in bone microenvironment demonstrated the role and necessity of creating multiple tissue microenvironment and its contribution in studying multicellular disease progression and therapeutics.
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Affiliation(s)
- Pooja Makwana
- Biomaterial and Biomimetic Laboratory, School of Life Sciences, Central University of Gujarat, India
| | - Unnati Modi
- Biomaterial and Biomimetic Laboratory, School of Life Sciences, Central University of Gujarat, India
| | - Bindiya Dhimmar
- Biomaterial and Biomimetic Laboratory, School of Life Sciences, Central University of Gujarat, India
| | - Rajesh Vasita
- Biomaterial and Biomimetic Laboratory, School of Life Sciences, Central University of Gujarat, India; Terasaki Institute of Biomedical Innovation, Los Angeles, CA, USA.
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Alzahrani AAH, Bhat N, Kukreja P, Alhassan EM, Mudawi AIA, Alzahrani FA, Albanghali MA. Oral candidiasis and potential risk factors among disabled and non-disabled in Al-Baha region, Saudi Arabia. World J Clin Cases 2024; 12:6077-6086. [DOI: 10.12998/wjcc.v12.i27.6077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/23/2024] [Accepted: 07/15/2024] [Indexed: 07/29/2024] Open
Abstract
BACKGROUND Oral candidiasis (OC) is an oral health disease that could influence patients’ oral health quality of life.
AIM To estimate prevalence of OC among disabled and non-disabled individuals and its potential risk factors in the Al-Baha region, Saudi Arabia.
METHODS An observational cross-sectional study was carried out among 148 disabled and non-disabled participants. The technique of concentrated oral rinse employing the Sabouraud Dextrose Agar medium accompanied with 0.05% chloramphenicol was conducted to assess and isolate candida. Oral examination using the World Health Organization guidelines was conducted to examine participants’ oral health status. A pre-designed questionnaire was also used to evaluate sociodemographic, medical history, and oral hygiene habits of the studied population.
RESULTS Out of 148 participants (n = 57, 38%) had colonized candida. None of the studied population had visible Candida lesions. However, Candida was found in the oral rinses without the subject presenting any lesions or issues caused by Candida (asymptomatic colonization). The most common prevalent OC among participants were Candida albicans,Candida glabrata, Candida dubliniensis, Candida krusei, Candida tropicalis, and Candida parapsilosis (n = 35, 61%; n = 8, 14%; n = 6, 10%; n = 5, 9%; n = 2, 4%; and n = 1, 2%) respectively. Diabetes, smoking, poor plaque, and gingival status were key potential risk factors that significantly associated with candida’s density and presence (P = 0.001, P = 0.001, P = 0.01, and P = 0.01) respectively. Disability status had no statistically significant effect on presence and density of Candida.
CONCLUSION The prevalence of OC is almost third of the studied population; thus, may provoke a need to develop preventive strategies to reduce the OC rate and establish solid treatment plans.
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Affiliation(s)
- Abdullah Ali H Alzahrani
- Department of Dental Health, Faculty of Applied Medical Sciences, Al-Baha University, Al Bahah 65731, Saudi Arabia
| | - Nagesh Bhat
- Department of Preventive Dental Sciences, School of Dentistry, AlBaha University, Al Bahah 65731, Saudi Arabia
| | - Pankaj Kukreja
- Department of Biomedical Dental Sciences, School of Dentistry, AlBaha University, Al Bahah 65731, Saudi Arabia
| | - Eltayeb Mohammed Alhassan
- Department of Dental Health, Faculty of Applied Medical Sciences, Al-Baha University, Al Bahah 65731, Saudi Arabia
| | - Abdallah Ibrahim A Mudawi
- Department of Dental Health, Faculty of Applied Medical Sciences, Al-Baha University, Al Bahah 65731, Saudi Arabia
| | - Faisal A Alzahrani
- Department of Medical Services General Administration, Public Security, The Saudi Ministry of Interior, Riyadh 11235, Saudi Arabia
| | - Mohammad A Albanghali
- Department of Public Health, Faculty of Applied Medical Sciences, Al-Baha University, Al Bahah 65731, Saudi Arabia
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Withanage TJ, Lal M, Salem H, Krichevski O, Wachtel E, Patchornik G. The [(bathophenanthroline) 3:Fe 2+] complex as an aromatic non-polymeric medium for purification of human lactoferrin. J Chromatogr A 2024; 1732:465218. [PMID: 39106663 DOI: 10.1016/j.chroma.2024.465218] [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: 06/11/2024] [Revised: 07/25/2024] [Accepted: 07/26/2024] [Indexed: 08/09/2024]
Abstract
We describe a non-chromatographic, ligand-free platform for the efficient purification of recombinant human lactoferrin (LF). The platform consists of a [metal:chelator] complex precipitate in the presence of osmotically active polyethylene glycol 6000 (PEG-6000). Purification is achieved in three stages. Following formation of the complex, LF is captured under neutral conditions by the aggregated complexes (Step I), a washing step follows (Step II) and then, (Step III) LF is extracted in pure form with 100 mM tribasic Na citrate buffer (pH 7). Of the four complexes investigated, [bathophenanthroline (batho)3:Fe2+] was determined to be the most efficient. LF is recovered with high yield (∼90%, by densitometry) and purity (≥97%, by SDS polyacrylamide gel electrophoresis (SDS-PAGE)) from an artificial contamination background comprising E. coli lysate proteins. Purified LF is demonstrated to be monomeric by dynamic light scattering (DLS); to preserve its native secondary structure by circular dichroism (CD) spectroscopy; and, as apo-LF, to efficiently inhibit bacterial growth. Process yield is not affected by a 45-fold increase in LF concentration from 0.2 to 9 mg/mL. We provide evidence that protein capture relies on [cation:π] interactions between the lysine and arginine residues of LF with the fully aromatic [(batho)3:Fe2+] complexes. The use of [metal:chelator] complex aggregates is demonstrated to provide an economical and efficient avenue for LF purification.
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Affiliation(s)
| | - Mitra Lal
- Department of Chemical Sciences, Ariel University, 70400, Ariel, Israel
| | - Hagit Salem
- Department of Chemical Sciences, Ariel University, 70400, Ariel, Israel
| | - Olga Krichevski
- Department of Chemical Sciences, Ariel University, 70400, Ariel, Israel
| | - Ellen Wachtel
- Faculty of Chemistry, Weizmann Institute of Science, 76100, Rehovot, Israel
| | - Guy Patchornik
- Department of Chemical Sciences, Ariel University, 70400, Ariel, Israel.
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Mork S, Johannessen M, Škalko-Basnet N, Jøraholmen MW. Chitosan and liposomal delivery systems for epicatechin or propyl gallate targeting localized treatment of vulvovaginal candidiasis. Int J Pharm 2024; 662:124489. [PMID: 39032871 DOI: 10.1016/j.ijpharm.2024.124489] [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: 04/12/2024] [Revised: 06/19/2024] [Accepted: 07/17/2024] [Indexed: 07/23/2024]
Abstract
Natural polyphenols are promising alternatives to antifungals for novel treatments of vulvovaginal candidiasis (VVC) in an era of antimicrobial resistance. However, polyphenols are poorly soluble and prone to degradation. To overcome their limitations, we propose incorporation in liposomes. The study aimed to develop chitosan and liposome comprising delivery systems for epicatechin (EC) or propyl gallate (PG) as treatment of VVC. EC was selected for its antioxidative properties and PG as an ester of antifungal gallic acid. To improve formulation retention at vaginal site, mucoadhesive chitosan was introduced into formulation as liposomal surface coating or hydrogel due to intrinsic antifungal properties. These polyphenol-loaded liposomes exhibited an average size of 125 nm with a 64 % entrapment efficiency (for both polyphenols). A sustained in vitro polyphenol release was seen from liposomes, particularly in chitosan hydrogel (p < 0.01 or lower). Viscosity was evaluated since increased viscosity upon mucin contact indicated adhesive bond formation between chitosan and mucin confirming mucoadhesiveness of formulations. Antifungal activity was evaluated by the broth microdilution method on Candida albicans CRM-10231. Unlike PG, incorporation of EC in liposomes enabled antifungal activity. Fungicidal activity of chitosan was confirmed both when used as liposomal coating material and as hydrogel vehicle.
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Affiliation(s)
- Silje Mork
- Drug Transport and Delivery Research Group, Department of Pharmacy, Faculty of Health Sciences, UiT The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - Mona Johannessen
- Research Group for Host Microbe Interactions, Department of Medical Biology, Faculty of Health Sciences, UiT The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - Nataša Škalko-Basnet
- Drug Transport and Delivery Research Group, Department of Pharmacy, Faculty of Health Sciences, UiT The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway
| | - May Wenche Jøraholmen
- Drug Transport and Delivery Research Group, Department of Pharmacy, Faculty of Health Sciences, UiT The Arctic University of Norway, Universitetsveien 57, 9037 Tromsø, Norway.
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Hayann L, da Rocha VF, Cândido MF, Vicente RM, Andrilli LHS, Fukada SY, Brassesco MS, Ciancaglini P, Engel EE, Ramos AP. A nontoxic strontium nanoparticle that holds the potential to act upon osteocompetent cells: An in vitro and in vivo characterization. J Biomed Mater Res A 2024; 112:1518-1531. [PMID: 38488327 DOI: 10.1002/jbm.a.37708] [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: 11/07/2023] [Revised: 03/01/2024] [Accepted: 03/06/2024] [Indexed: 07/12/2024]
Abstract
Estrogen deficiency, long-term immobilization, and/or aging are commonly related to bone mass loss, thus increasing the risk of fractures. One option for bone replacement in injuries caused by either traumas or pathologies is the use of orthopedic cement based on polymethylmethacrylate (PMMA). Nevertheless, its reduced bioactivity may induce long-term detachment from the host tissue, resulting in the failure of the implant. In view of this problem, we developed an alternative PMMA-based porous cement (pPMMA) that favors cell invasion and improves osteointegration with better biocompatibility. The cement composition was changed by adding bioactive strontium-nanoparticles that mimic the structure of bone apatite. The nanoparticles were characterized regarding their physical-chemical properties, and their effects on osteoblasts and osteoclast cultures were assessed. Initial in vivo tests were also performed using 16 New Zealand rabbits as animal models, in which the pPMMA-cement containing the strontium nanoparticles were implanted. We showed that the apatite nanoparticles in which 90% of Ca2+ ions were substituted by Sr2+ (NanoSr 90%) upregulated TNAP activity and increased matrix mineralization. Moreover, at the molecular level, NanoSr 90% upregulated the mRNA expression levels of, Sp7, and OCN. Runx2 was increased at both mRNA and protein levels. In parallel, in vivo tests revealed that pPMMA-cement containing NanoSr 90%, upregulated two markers of bone maturation, OCN and BMP2, as well as the formation of apatite minerals after implantation in the femur of rabbits. The overall data support that strontium nanoparticles hold the potential to up-regulate mineralization in osteoblasts when associated with synthetic biomaterials.
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Affiliation(s)
- Larwsk Hayann
- Department of Chemistry, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Vitor Freire da Rocha
- Department of Orthopedics and Anesthesiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Marina Ferreira Cândido
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Raphael Martini Vicente
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Luiz H S Andrilli
- Department of Chemistry, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Sandra Y Fukada
- School of Pharmaceutical Sciences of Ribeirao Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - María Sol Brassesco
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Pietro Ciancaglini
- Department of Chemistry, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Edgard Eduard Engel
- Department of Orthopedics and Anesthesiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Ana Paula Ramos
- Department of Chemistry, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
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Hu Y, Ren B, Cheng L, Deng S, Chen Q. Candida species in periodontitis: A new villain or a new target? J Dent 2024; 148:105138. [PMID: 38906455 DOI: 10.1016/j.jdent.2024.105138] [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: 01/12/2024] [Revised: 05/24/2024] [Accepted: 06/17/2024] [Indexed: 06/23/2024] Open
Abstract
OBJECTIVES Recent research indicated that fungi might have a role in periodontitis alongside traditional periodontal pathogens. This state-of-the-art narrative review explores current concepts on the involvement of Candida species in periodontitis, and suggests the potential for ecological management of this disease. DATA, SOURCES AND STUDY SELECTION A literature search was conducted for a narrative review on Web of Science, PubMed, Medline and Scopus about periodontitis associated with Candida species. Published articles, including case reports, case series, observational and interventional clinical trials, and critical appraisals of the literature were retrieved and reviewed. CONCLUSIONS Several factors predispose individuals to periodontitis associated with Candida species. These include systemic diseases that lead to immunosuppression and oral environment changes such as cigarette smoking. While a consistent significant increase in the detection rate of Candida species in patients with periodontitis has not been universally observed, there is evidence linking Candida species to the severity of periodontitis and their potential to worsen the condition. Candida species may participate in the development of periodontitis in various ways, including cross-kingdom interactions with periodontal pathogens, changes in the local or systemic environment favoring the virulence of Candida species, and interactions between Candida-bacteria and host immunity. CLINICAL SIGNIFICANCE Mechanical plaque control is the most common treatment for periodontitis, but its effectiveness may be limited, particularly when dealing with systemic risk factors. Understanding the specific role of Candida in periodontitis illuminates innovative approaches for managing the ecological balance in periodontal health.
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Affiliation(s)
- Yao Hu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China; State Key Laboratory of Oral Diseases & West China School of Stomatology & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
| | - Biao Ren
- State Key Laboratory of Oral Diseases & West China School of Stomatology & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
| | - Lei Cheng
- State Key Laboratory of Oral Diseases & West China School of Stomatology & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China
| | - Shuli Deng
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China.
| | - Qianming Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China; State Key Laboratory of Oral Diseases & West China School of Stomatology & National Clinical Research Center for Oral Diseases, Sichuan University, Chengdu, China.
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9
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Cardoso LM, de Carvalho ABG, Anselmi C, Mahmoud AH, Dal-Fabbro R, Basso FG, Bottino MC. Bifunctional naringenin-laden gelatin methacryloyl scaffolds with osteogenic and anti-inflammatory properties. Dent Mater 2024; 40:1353-1363. [PMID: 38876826 DOI: 10.1016/j.dental.2024.06.019] [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: 02/29/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 06/16/2024]
Abstract
OBJECTIVE To fabricate and characterize an innovative gelatin methacryloyl/GelMA electrospun scaffold containing the citrus flavonoid naringenin/NA with osteogenic and anti-inflammatory properties. METHODS GelMA scaffolds (15 % w/v) containing 0/Control, 5, 10, or 20 % of NA w/w were obtained via electrospinning. The chemical composition, fiber morphology/diameter, swelling/degradation profile, and NA release were investigated. Cytotoxicity, cell proliferation, adhesion and spreading, total protein/TP production, alkaline phosphatase/ALP activity, osteogenic genes expression (OCN, OPN, RUNX2), and mineralized nodules deposition/MND with human alveolar bone-derived mesenchymal stem cells (aBMSCs) seeded on the scaffolds were assessed. Moreover, aBMSCs seeded on the scaffolds and stimulated with tumor necrosis factor-alpha/TNF-α were submitted to collagen, nitric oxide/NO, interleukin/IL-1α, and IL-6 production assessment. Data were analyzed using ANOVA and t-student/post-hoc tests (α = 5 %). RESULTS NA-laden scaffolds presented increased fiber diameter, lower swelling capacity, and faster degradation profile over 28 days (p < 0.05). NA release was detected over time. Cell adhesion and spreading, and TP production were similar between GelMA and GelMA+NA5 % scaffolds, while cell proliferation, ALP activity, OCN/OPN/RUNX2 gene expression, and MND were higher for GelMA+NA5 % scaffolds (p < 0.05). Cells seeded on control scaffolds and TNF-α-stimulated presented higher levels of NO, IL-1α/IL-6, and lower levels of collagen (p < 0.05). In contrast, cells seeded on GelMA+NA5 % scaffolds showed downregulation of inflammatory markers and higher collagen synthesis (p < 0.05). SIGNIFICANCE GelMA+NA5 % scaffold was cytocompatible, stimulated aBMSCs proliferation and differentiation, and downregulated inflammatory mediators' synthesis, suggesting its therapeutic effect as a multi-target bifunctional scaffold with osteogenic and anti-inflammatory properties for bone tissue engineering.
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Affiliation(s)
- Lais M Cardoso
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan-School of Dentistry, 1011 N. University Avenue, Ann Arbor, MI 48109, USA; Department of Dental Materials and Prosthodontics, São Paulo State University (UNESP)-Araraquara School of Dentistry, Humaitá 1680, Araraquara, SP 14801-903, Brazil
| | - Ana Beatriz G de Carvalho
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan-School of Dentistry, 1011 N. University Avenue, Ann Arbor, MI 48109, USA; Department of Dental Materials and Prosthodontics, São Paulo State University (UNESP)-São Jose dos Campos School of Dentistry, Eng. Francisco Jose Longo 777, São Jose Dos Campos, SP 12245-000, Brazil
| | - Caroline Anselmi
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan-School of Dentistry, 1011 N. University Avenue, Ann Arbor, MI 48109, USA; Department of Morphology and Pediatric Dentistry, São Paulo State University (UNESP)-Araraquara School of Dentistry, Humaitá 1680, Araraquara, SP 14801-903, Brazil
| | - Abdel H Mahmoud
- Department of Oral Biology and Pathology, Stony Brook University-School of Dental Medicine, 100 Nicolls Road, Stony Brook, NY 11794, USA
| | - Renan Dal-Fabbro
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan-School of Dentistry, 1011 N. University Avenue, Ann Arbor, MI 48109, USA
| | - Fernanda G Basso
- Department of Phisiology and Pathology, São Paulo State University (UNESP), Araraquara School of Dentistry, Araraquara, SP, Brazil
| | - Marco C Bottino
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan-School of Dentistry, 1011 N. University Avenue, Ann Arbor, MI 48109, USA; Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, MI, USA.
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Haraguchi-Kitakamae M, Nakajima Y, Yamamoto T, Hongo H, Cui J, Shi Y, Liu X, Yao Q, Maruoka H, Abe M, Sekiguchi T, Yokoyama A, Amizuka N, Sasano Y, Hasegawa T. Regional difference in the distribution of alkaline phosphatase, PHOSPHO1, and calcein labeling in the femoral metaphyseal trabeculae in parathyroid hormone-administered mice. J Oral Biosci 2024; 66:554-566. [PMID: 38942193 DOI: 10.1016/j.job.2024.06.007] [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: 06/05/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 06/30/2024]
Abstract
OBJECTIVES This study aimed to elucidate whether the administration of parathyroid hormone (PTH) results in remodeling- or modeling-based bone formation in different regions of the murine femora, and whether the PTH-driven bone formation would facilitate osteoblastic differentiation into osteocytes. METHODS Six-week-old male C57BL/6J mice were employed to examine the distribution of alkaline phosphatase (ALP), PHOSPHO1, podoplanin, and calcein labeling in two distinct long bone regions: the metaphyseal trabeculae close to the chondro-osseous junction (COJ) and those distant from the COJ in three mouse groups, a control group receiving a vehicle (sham group) and groups receiving hPTH (1-34) twice a day (PTH BID group) or four times a day (PTH QID group) for two weeks. RESULTS The sham group showed PHOSPHO1-reactive mature osteoblasts localized primarily at the COJ, whereas the PTH BID/QID groups exhibited extended lines of PHOSPHO1-reactive osteoblasts even in regions distant from the COJ. The PTH QID group displayed fragmented calcein labeling in trabeculae close to the COJ, whereas continuous labeling was observed in trabeculae distant from the COJ. Osteoblasts tended to express podoplanin and PHOSPHO1 independently in the close and distant regions of the sham group, while osteoblasts in the PTH-administered groups showed immunoreactivity of podoplanin and PHOSPHO1 together in the close and distant regions. CONCLUSIONS Administration of PTH may accelerate remodeling-based bone formation in regions close to the COJ while predominantly inducing modeling-based bone formation in distant regions. PTH appeared to simultaneously facilitate osteoblastic bone mineralization and differentiation into osteocytes in both remodeling- and modeling-based bone formation.
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Affiliation(s)
- Mai Haraguchi-Kitakamae
- Division of Craniofacial Development and Tissue Biology, Graduate School of Dentistry, Tohoku University, Sendai, Japan; Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Yuhi Nakajima
- Department of Oral and Maxillofacial Surgery, Nagoya University Hospital, Nagoya, Japan
| | - Tomomaya Yamamoto
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan; Department of Dentistry, Japan Ground Self-Defense Force, Camp Shinmachi, Japan
| | - Hiromi Hongo
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Jiaxin Cui
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Yan Shi
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Xuanyu Liu
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan; Oral and Maxillofacial Surgery, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Qi Yao
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Haruhi Maruoka
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Miki Abe
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Tamaki Sekiguchi
- Oral and Maxillofacial Surgery, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Ayako Yokoyama
- Gerodontology, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Norio Amizuka
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan
| | - Yasuyuki Sasano
- Division of Craniofacial Development and Tissue Biology, Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Tomoka Hasegawa
- Ultrastructure of Hard Tissue, Graduate School of Dental Medicine, Faculty of Dental Medicine, Hokkaido University, Japan.
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DeWitte SN. Assessing the existence of the male-female health-survival paradox in the past: Dental caries in medieval London. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2024; 185:e24990. [PMID: 38923302 DOI: 10.1002/ajpa.24990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 05/20/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024]
Abstract
OBJECTIVES This study seeks to identify signals of the male-female health-survival paradox in medieval London. MATERIALS AND METHODS This study uses skeletal data on age, sex, dental caries (n = 592) and antemortem tooth loss (n = 819) from adult individuals from medieval London cemeteries (c. 1200-1540 CE). The association between age and dental caries was assessed using binary logistic regression. The associations among age, time period (pre- vs. post-Black Death), oral biomarker (dental caries or antemortem tooth loss), and sex were tested using hierarchical log-linear analysis. RESULTS The analyses reveal significantly higher odds of dental caries with increasing adult ages, more older adults after the Black Death, different age distributions of dental caries between the sexes, and a greater decrease in the prevalence of dental caries for females after the Black Death. These results appear not to be an artifact of trends in AMTL. However, this study does not yield evidence suggesting that females experienced both a survival advantage and a decline in oral health at late adult ages after the Black Death relative to males. CONCLUSIONS These results do not provide evidence of the existence of a male-female health-survival paradox, but they do corroborate existing evidence of improvements in health in general in the aftermath of the Black Death. The decreased prevalence of dental caries after the Black Death may reflect dietary improvements or the effects of selective mortality during the epidemic.
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Affiliation(s)
- Sharon N DeWitte
- Institute of Behavioral Science, University of Colorado, Boulder, Colorado, USA
- Department of Anthropology, University of Colorado, Boulder, Colorado, USA
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12
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Lin SY, Sun JS, Lin IP, Hung MC, Chang JZC. Efficacy of adjunctive local periodontal treatment for type 2 diabetes mellitus patients with periodontitis: A systematic review and network meta-analysis. J Dent 2024; 148:105212. [PMID: 38936456 DOI: 10.1016/j.jdent.2024.105212] [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: 04/19/2024] [Revised: 06/23/2024] [Accepted: 06/24/2024] [Indexed: 06/29/2024] Open
Abstract
OBJECTIVES To investigate the effectiveness of different adjunctive local treatments combined with non-surgical periodontal therapy (NSPT) to reduce pocket depth (PD), gain clinical attachment level (CAL), and/or reduce glycated hemoglobin (HbA1c) in individuals with both type 2 diabetes mellitus (T2DM) and periodontitis in a systematic review and network meta-analysis. DATA SOURCES Publications were searched in Cochrane databases, EMBASE, Google Scholar, MEDLINE, PubMed, opengrey.eu, and www. CLINICALTRIALS gov up to May 29, 2024 with no language restriction. STUDY SELECTION Only randomized controlled trials (RCTs) were included. Network meta-analysis utilized frequentist models. DATA The network meta-analysis of 30 RCTs involving 1224 patients revealed that, in short-term (2-3 months) and medium-term (4-6 months), adjunctive local treatment involving statins or metformin significantly outperformed scaling and root planning (SRP) with/without additional interventions such as photodynamic and laser therapies (PDT/LT), phytotherapy, doxycycline, bisphosphonates, antibiotics, antiseptics, or placebo for reducing PD and/or gaining CAL. In the long-term (>6 months), statins yielded the most significant additional PD reduction and CAL gain, followed by antibiotics, compared to SRP with antiseptics or placebo. Only PDT/LT demonstrated significantly greater HbA1c reduction in the short term compared to SRP with/without statins, antiseptics, or placebo. CONCLUSION This study moderately supports that adding metformin or statins locally to NSPT may enhance PD reduction and CAL gain compared to SRP with/without placebo. CLINICAL SIGNIFICANCE Clinicians are guided to optimize adjunctive therapies, enhancing the health of patients with type 2 diabetes and periodontitis. A strategic approach is proposed to tackle systemic and oral health challenges simultaneously.
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Affiliation(s)
- Shih-Ying Lin
- Department of Dentistry, MacKay Memorial Hospital, Taipei, Taiwan
| | - Jui-Sheng Sun
- Department of Orthopedic Surgery, National Taiwan University Hospital, Taipei, Taiwan; Department of Orthopedic Surgery, En Chu Kong Hospital, Taipei, Taiwan
| | - I-Ping Lin
- Department of Dentistry, College of Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Min-Chih Hung
- Department of Dentistry, College of Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Jenny Zwei-Chieng Chang
- Department of Dentistry, College of Medicine, National Taiwan University Hospital, Taipei, Taiwan; School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan.
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13
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Paetnukroh N, Leepong N, Suttapreyasri S. Three-dimensional volumetric assessment and stability of simultaneously placed implant following sinus floor augmentation with deproteinized human demineralized tooth matrix or deproteinized bovine bone mineral: a randomized controlled clinical trial. Oral Maxillofac Surg 2024; 28:1353-1363. [PMID: 38814505 DOI: 10.1007/s10006-024-01263-w] [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: 03/04/2024] [Accepted: 05/26/2024] [Indexed: 05/31/2024]
Abstract
PURPOSE This study aimed to analyze and compare three-dimensional volumetric bone changes and stability of simultaneously placed dental implants following sinus augmentation using deproteinized human demineralized tooth matrix (dpDTM) and deproteinized bovine bone mineral (DBBM). METHODS Twenty-four patients who required lateral maxillary sinus floor augmentation with simultaneous dental implant placement were randomly assigned to receive either dpDTM (n = 12) or DBBM (n = 12). Cone-beam computed tomography and resonance frequency analysis of implant stability were conducted immediately after surgery and 6 months postoperatively. Changes in the graft sinus floor and graft height volumes in the sagittal and coronal views, along with the implant stability quotient (ISQ), were analyzed and compared. RESULTS Volumetric graft alteration was comparable between dpDTM (120.33 ± 77.48 mm3) and DBBM (108.51 ± 65.15 mm3) (p = 0.690). Reduction in the average graft height was also comparable: dpDTM group ranged from - 0.59 to - 0.93 mm and the DBBM group ranged from - 0.55 to - 0.82 mm (p > 0.05) at most examined levels. However, greater reduction in the mesial-graft height occurred in the dpDTM group (- 1.08 ± 0.70 mm vs. -0.58 ± 0.39 mm, p = 0.04). The ISQ values increased similarly in both groups to reach 70 at 6 months. CONCLUSION dpDTM demonstrated comparable stability in graft volume and height during the healing process compared to DBBM and could serve as a viable alternative to DBBM for sinus floor augmentation with simultaneous implant placement.
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Affiliation(s)
- Nattha Paetnukroh
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai, 90112, Songkhla, Thailand
| | - Narit Leepong
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai, 90112, Songkhla, Thailand.
| | - Srisurang Suttapreyasri
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai, 90112, Songkhla, Thailand.
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Faruque MRJ, Potocka W, Nazmi K, Ligtenberg AJ, Bikker FJ, Laine ML. Scent of relief: Mastic resin scent recovers salivation in chronic dry mouth patients. Biomed Pharmacother 2024; 178:117245. [PMID: 39111079 DOI: 10.1016/j.biopha.2024.117245] [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: 05/18/2024] [Revised: 07/17/2024] [Accepted: 07/30/2024] [Indexed: 08/25/2024] Open
Abstract
BACKGROUND Olfactory stimulation with mastic resin, derived from the Pistacia lentiscus tree, demonstrated a bona fide sialagogic effect in healthy volunteers [1]. Its main volatile compound, α-pinene, also showed this effect. The current study aimed to validate the effect of mastic resin volatiles in chronic dry mouth patients with confirmed decreased saliva secretion. METHODS 41 chronic dry mouth patients with decreased unstimulated saliva secretion (<0.25 mL/min) were exposed to mastic resin volatiles as part of the diagnostic routine at the Saliva Clinic of Academic Centre for Dentistry Amsterdam. During their visit, dry-mouth questionnaires were conducted and samples of unstimulated whole saliva, chew-stimulated saliva, acid-stimulated saliva and mastic resin stimulated saliva were collected. Saliva flow rate, spinnbarkeit, pH, ion composition, MUC5B and MUC7 levels in all samples were analyzed. RESULTS Salivary flow rates increased by all stimuli when compared to the baseline unstimulated saliva (P<0.001). During olfactory mastic resin stimulation, the salivary spinnbarkeit (P<0.001) and sodium concentration (P<0.01) were increased compared to unstimulated saliva. MUC5B and MUC7 levels were increased during olfactory mastic resin stimulation compared to chew-stimulated saliva (P=0.016 and P<0.001, respectively). Spinnbarkeit correlated positively with MUC5B (R=0.399, P=0.002) and MUC7 levels (R=0.375, P=0.004). Results of dry-mouth questionnaires indicated reduced posterior palate dryness shortly after olfactory mastic resin stimulation (P=0.04). CONCLUSIONS Olfactory mastic resin stimulation increased mucous saliva secretion and reduced posterior palate dryness in a group of chronic dry mouth patients. These findings, validated in patients, underscore mastic resin scent as a beneficial and non-invasive sialagogic treatment for clinical applications.
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Affiliation(s)
- Mouri R J Faruque
- Department of Oral Biochemistry, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, the Netherlands; Department of Periodontology, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, the Netherlands.
| | - Wiktoria Potocka
- Department of Oral Biochemistry, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, the Netherlands; Department of Periodontology, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, the Netherlands
| | - Kamran Nazmi
- Department of Oral Biochemistry, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, the Netherlands
| | - Antoon J Ligtenberg
- Department of Oral Biochemistry, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, the Netherlands
| | - Floris J Bikker
- Department of Oral Biochemistry, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, the Netherlands
| | - Marja L Laine
- Department of Periodontology, Academic Centre for Dentistry Amsterdam, University of Amsterdam and VU University Amsterdam, Amsterdam, the Netherlands
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15
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Timme M, Smit C, Robinson L, Bernitz H, Guo YC, Schmeling A. The relevance of taurodontism in forensic dental age estimation. Leg Med (Tokyo) 2024; 70:102462. [PMID: 38810559 DOI: 10.1016/j.legalmed.2024.102462] [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: 03/13/2024] [Revised: 05/01/2024] [Accepted: 05/26/2024] [Indexed: 05/31/2024]
Abstract
Taurodontism is a dental morphological anomaly characterized by enlarged pulp cavities repositioned towards the apical region of the tooth, coupled with shortened root structures. Molars are commonly affected by this alteration. Certain populations exhibit up to 48% prevalences for this dental alteration, underscoring its significance in dental age estimation (DAE). In the field of DAE, an individual's chronological age is inferred from specific dental features, frequently employed within the forensic context. The effect of taurodontism on the features of DAE is an unanswered issue. The influence of taurodontism on eruption, mineralization, radiographic visibility of root canals, and radiographic visibility of the periodontal ligament space in mandibular third molars- some of the established criteria for DAE as examples-is currently not systematically examined. Some common staging scales for the dental features of DAE cannot technically be applied to taurodontic teeth. Additionally, given the association of taurodontism with syndromes affecting tooth development, caution is warranted in age assessment procedures. Notably, taurodontic teeth may serve as indicators of syndromes influencing skeletal development, further emphasizing the relevance of taurodontism in forensic age assessment. Presumably taurodontic teeth were included in reference data to some extent due to their partially high prevalence in the past, whereby the influence of taurodontism has been statistically absorbed within the overall spread of the features. Future studies should compare the temporal course of these tooth characteristics in affected and unaffected teeth. Subsequent initiatives should focus on raising awareness among forensic dentists regarding taurodontism, necessitating in-depth exploration of the subject.
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Affiliation(s)
- Maximilian Timme
- Institute of Legal Medicine, University Hospital Muenster, Röntgenstraße 23, 48149 Münster, Germany.
| | - Chané Smit
- Department of Oral and Maxillofacial Pathology, Faculty of Health Sciences, University of Pretoria, Gauteng, South Africa
| | - Liam Robinson
- Department of Oral and Maxillofacial Pathology, Faculty of Health Sciences, University of Pretoria, Gauteng, South Africa
| | - Herman Bernitz
- Department of Oral and Maxillofacial Pathology, Faculty of Health Sciences, University of Pretoria, Gauteng, South Africa
| | - Yu-Cheng Guo
- Department of Orthodontics, Stomatological Hospital of Xi'an Jiaotong University, 98 XiWu Road, Xi'an, 710004, Shaanxi, People's Republic of China
| | - Andreas Schmeling
- Institute of Legal Medicine, University Hospital Muenster, Röntgenstraße 23, 48149 Münster, Germany
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Liu X, Li X, Xie M, Guo J, Zheng X, Shi S, Cui Q, Zhang D, Zhang Z, Wang Z. Association of gut microbiome and oral cavity cancer: A two sample mendelian randomization and case-control study. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2024; 125:101736. [PMID: 38086473 DOI: 10.1016/j.jormas.2023.101736] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/07/2023] [Accepted: 12/07/2023] [Indexed: 08/28/2024]
Abstract
INTRODUCTION Considering the interconnectedness of the oral cavity and gut tract and the presence of abundant natural microbiota in both. We utilized Mendelian Randomization (MR) in a two-sample study to unveil the genetic causal impact of gut microbiota on the development of oral cavity cancer. MATERIALS & METHODS The instrumental variables employed in this study consisted of single nucleotide polymorphisms (SNPs) that demonstrated a robust association with 211 distinct gut microbiota taxa, encompassing a sample size of 18,340 individuals. Our investigation sought to explore the potential causal relationship between these genetic variants and the incidence of oral cavity cancer. To accomplish this, we adopted a random effect inverse variance-weighted approach to analyze the causal effect. Additionally, sensitivity analyses were performed utilizing Cochran's Q tests, funnel plots, leave-one-out analyses, and MR-Egger intercept tests, to assess the robustness and validity of our findings. RESULTS Five gut microbiota taxa (the family Prevotellaceae, the genus Alloprevotella, the genus Erysipelatoclostridium, the genus Parabacteroides, the genus Ruminococcus gauvreauii group) are predicted to play a causal role in promoting the initiation of the risk of oral cavity cancer. While the genus Christensenellaceae R 7 group, the genus Intestinimonas, the genus Ruminococcaceae, and the order Bacillales causally reduce the risk of oral cavity cancer. Furthermore, no significant evidence suggesting heterogeneity or pleiotropy was observed. DISCUSSION The novel genetic causal effects of 211 gut microbiota taxa on oral cavity cancer are elucidated in this investigation, thus offering valuable insights for clinical interventions targeting oral cavity cancer.
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Affiliation(s)
- Xinpeng Liu
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China
| | - Xinping Li
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China
| | - Menglan Xie
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China
| | - Jinyuan Guo
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China
| | - Xianghuai Zheng
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China
| | - Shanwei Shi
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China
| | - Qiuju Cui
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China
| | - Danya Zhang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China
| | - Zhaoqiang Zhang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China.
| | - Zhiping Wang
- Department of Oral and Maxillofacial Surgery, Stomatological Hospital, School of Stomatology, Southern Medical University, No. 366, South of Jiangnan Boulevard, Guangzhou, 510280, P.R. China.
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Mânica S, Merdietio Boedi R, Pandey H, Shields C. Identifying teeth and tooth fragments from digital 3D models. Morphologie 2024; 108:100774. [PMID: 38457861 DOI: 10.1016/j.morpho.2024.100774] [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: 01/29/2024] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/10/2024]
Abstract
Dental anatomy is an essential skill for human identification in forensic odontology. With the advent of technology enabling virtual autopsies, there is scope for virtual consultation by forensic odontologists especially when the expertise is unavailable but needed in zones of conflict or disasters. This study aimed to investigate potential benefits and challenges of identifying intact and damaged teeth from 3D scanned digital models. Ten 3D tooth models - nine permanent and deciduous human teeth and one animal tooth were uploaded on a hosting platform. A 3-part survey was circulated among 60 forensic odontologists with questions about demography (P1), tooth identification of the scanned 3D models (P2) and the perceived usefulness of 3D models for tooth identification (P3). This was the first time that a survey required the identification of individual human teeth (intact or not) and animal tooth combined. The response rate for study participation was 58%. Substantial agreement among participants was seen in the determination of tooth classification (i.e., molars, premolars) or non-human and tooth within the same tooth class (i.e., lateral incisors, second molar) (both k=0.61). The least agreement (k=0.21) was seen in identification of tooth according to the FDI notation with a mean accuracy of 0.34. While most responders correctly identified the animal tooth, most incorrect responses were seen in the identification of the intact third molar. While 3D-scanned teeth have the potential to be identified virtually, forensic odontologists should continuously test their skills in tooth morphology and dental anatomy of humans (damaged or not) and animals.
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Affiliation(s)
- S Mânica
- Centre for Forensic and Legal Medicine and Dentistry, School of Dentistry, level 7, University of Dundee, Nethergate, Dundee DD1 4HN, Scotland, United Kingdom.
| | - R Merdietio Boedi
- Centre for Forensic and Legal Medicine and Dentistry, School of Dentistry, level 7, University of Dundee, Nethergate, Dundee DD1 4HN, Scotland, United Kingdom; Department of Dentistry, Universitas Diponegoro, Jl. Prof. Mr. Sunario, Tembalang, Semarang, Central Java 50275, Indonesia
| | - H Pandey
- Centre for Forensic and Legal Medicine and Dentistry, School of Dentistry, level 7, University of Dundee, Nethergate, Dundee DD1 4HN, Scotland, United Kingdom
| | - C Shields
- Dundee Dental School, University of Dundee, Nethergate, School of Dentistry, Dundee DD1 4HN, Scotland, United Kingdom
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Kaku N, Kawachi M, Wakui A, Miyazawa M, Imai M, Takahashi N, Sato A, Abe T, Sato H, Kato Y, Okabe R, Naruse Y, Sato N, Asano N, Morohashi M, Sano H, Washio J, Abiko Y, Tanaka K, Takahashi N, Sato T. Molecular microbiological profiling of bottled unsweetened tea beverages: A screening experiment. J Oral Biosci 2024; 66:628-632. [PMID: 39069173 DOI: 10.1016/j.job.2024.07.006] [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: 05/09/2024] [Revised: 07/16/2024] [Accepted: 07/18/2024] [Indexed: 07/30/2024]
Abstract
To explore the potential storage and safety of drinking leftover bottled tea beverages from various manufacturers after direct drinking from bottles, we conducted a screening experiment on the growth of salivary bacteria in plastic bottles of tea. The diluted saliva samples from 10 participants were inoculated into the test bottled beverages, which resulted in bacteria, particularly former members of the genus Lactobacillus, growing in some green tea beverages with a neutral pH. In contrast, tea beverages with less bacterial growth contained Streptococcus spp., and the leftovers may be safe to store and drink again.
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Affiliation(s)
- Nagara Kaku
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Miho Kawachi
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Anna Wakui
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan; Department of Medical Technology, Niigata University of Health and Welfare, Niigata, 950-3198, Japan
| | - Misato Miyazawa
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Manami Imai
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Nanase Takahashi
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Aya Sato
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Takashi Abe
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Haruna Sato
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Yuki Kato
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Rika Okabe
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Yuka Naruse
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Nao Sato
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Nanami Asano
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Momoko Morohashi
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan
| | - Hiroto Sano
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan; Department of Pathology, The Nippon Dental University School of Life Dentistry at Niigata, Niigata, 951-8580, Japan
| | - Jumpei Washio
- Division of Oral Ecology and Biochemistry, Tohoku University Graduate School of Dentistry, Sendai, 980-8575, Japan
| | - Yuki Abiko
- Division of Oral Ecology and Biochemistry, Tohoku University Graduate School of Dentistry, Sendai, 980-8575, Japan
| | - Kaori Tanaka
- Division of Anaerobic Research, Life Science Research Center, Gifu University, Gifu, 501-1194, Japan
| | - Nobuhiro Takahashi
- Division of Oral Ecology and Biochemistry, Tohoku University Graduate School of Dentistry, Sendai, 980-8575, Japan
| | - Takuichi Sato
- Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, 951-8518, Japan.
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Kunka Á, Lisztes E, Bohács J, Racskó M, Kelemen B, Kovalecz G, Tóth ED, Hegedűs C, Bágyi K, Marincsák R, Tóth BI. TRPA1 up-regulation mediates oxidative stress in a pulpitis model in vitro. Br J Pharmacol 2024; 181:3246-3262. [PMID: 38744683 DOI: 10.1111/bph.16386] [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: 03/04/2023] [Revised: 01/22/2024] [Accepted: 02/22/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND AND PURPOSE Pulpitis is associated with tooth hypersensitivity and results in pulpal damage. Thermosensitive transient receptor potential (TRP) ion channels expressed in the dental pulp may be key transducers of inflammation and nociception. We aimed at investigating the expression and role of thermo-TRPs in primary human dental pulp cells (hDPCs) in normal and inflammatory conditions. EXPERIMENTAL APPROACH Inflammatory conditions were induced in hDPC cultures by applying polyinosinic:polycytidylic acid (poly(I:C)). Gene expression and pro-inflammatory cytokine release were measured by RT-qPCR and ELISA. Functions of TRPA1 channels were investigated by monitoring changes in intracellular Ca2+ concentration. Mitochondrial superoxide production was measured using a fluorescent substrate. Cellular viability was assessed by measuring the activity of mitochondrial dehydrogenases and cytoplasmic esterases. TRPA1 activity was modified by agonists, antagonists, and gene silencing. KEY RESULTS Transcripts of TRPV1, TRPV2, TRPV4, TRPC5, and TRPA1 were highly expressed in control hDPCs, whereas TRPV3, TRPM2, and TRPM3 expressions were much lower, and TRPM8 was not detected. Poly(I:C) markedly up-regulated TRPA1 but not other thermo-TRPs. TRPA1 agonist-induced Ca2+ signals were highly potentiated in inflammatory conditions. Poly(I:C)-treated cells displayed increased Ca2+ responses to H2O2, which was abolished by TRPA1 antagonists. Inflammatory conditions induced oxidative stress, stimulated mitochondrial superoxide production, resulted in mitochondrial damage, and decreased cellular viability of hDPCs. This inflammatory cellular damage was partly prevented by the co-application of TRPA1 antagonist or TRPA1 silencing. CONCLUSION AND IMPLICATIONS Pharmacological blockade of TRPA1 channels may be a promising therapeutic approach to alleviate pulpitis and inflammation-associated pulpal damage.
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Affiliation(s)
- Árpád Kunka
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Debrecen, Debrecen, Hungary
- Doctoral School of Molecular Medicine, University of Debrecen, Debrecen, Hungary
- Department of Dentoalveolar Surgery, Faculty of Dentistry, University of Debrecen, Debrecen, Hungary
| | - Erika Lisztes
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Judit Bohács
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Doctoral School of Molecular Medicine, University of Debrecen, Debrecen, Hungary
- Department of Operative Dentistry and Endodontics, Faculty of Dentistry, University of Debrecen, Debrecen, Hungary
| | - Márk Racskó
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Doctoral School of Molecular Medicine, University of Debrecen, Debrecen, Hungary
| | - Balázs Kelemen
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Gabriella Kovalecz
- Department of Pediatric and Preventive Dentistry, Faculty of Dentistry, University of Debrecen, Debrecen, Hungary
| | - Etelka D Tóth
- Department of Dentoalveolar Surgery, Faculty of Dentistry, University of Debrecen, Debrecen, Hungary
| | - Csaba Hegedűs
- Department of Biomaterials and Prosthetic Dentistry, Faculty of Dentistry, University of Debrecen, Debrecen, Hungary
| | - Kinga Bágyi
- Department of Operative Dentistry and Endodontics, Faculty of Dentistry, University of Debrecen, Debrecen, Hungary
| | - Rita Marincsák
- Department of Operative Dentistry and Endodontics, Faculty of Dentistry, University of Debrecen, Debrecen, Hungary
| | - Balázs István Tóth
- Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
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20
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Senthil R. Epoxy resin bioactive dental implant capped with hydroxyapatite and curcumin nanoparticles: a novel approach. Oral Maxillofac Surg 2024; 28:1303-1312. [PMID: 38722427 DOI: 10.1007/s10006-024-01252-z] [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: 02/23/2024] [Accepted: 04/20/2024] [Indexed: 08/18/2024]
Abstract
OBJECTIVE In this study, the developed bioactive dental implant (BDI) from epoxy resin (ER), hydroxyapatite (HA), and curcumin nanoparticles (CUNPs). MATERIALS AND METHODS The prepared BDI were characterized using their physicochemical, mechanical, antimicrobial, bioactive, and biocompatibility study. The scanning electron microscopy (SEM) morphology of the BDI was observed HA mineralized crystal layer after being immersed in the stimulated body fluids (SBF) solution. RESULTS The mechanical properties of the BDI exhibited tensile strength (250.61 ± 0.43 MPa), elongation at break (215.66 ± 0.87%), flexural modulus (03.90 ± 0.12 GPa), water absorption (05.68 ± 0.15%), and water desorption (06.42 ± 0.14%). The antimicrobial activity of BDI was observed in excellent zone of inhibition against the gram-negative (15.33 ± 0.04%) and gram- positive (15.98 ± 0.07%) bacteria. The biocompatibility study of BDI on osteoblasts cell line (MG-63) was analyzed using MTT (3-[4, 5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide) assay. The results were observed 85% viable cells present in the BDI compared to the control (only ER) samples. CONCLUSIONS Based on the research outcome, the BDI could be used for biomaterials application, particularly tooth dental implantation.
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Affiliation(s)
- Rethinam Senthil
- Department of Pharmacology, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha Dental College and Hospitals, Saveetha University, Chennai, 600 077, Tamilnadu, India.
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21
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Decaup PH, Ribeiro A, Couture C, Kacki S, Kausmally T, Garot E. A probable case of hypophosphatasia in St Bride's Lower Churchyard (1770-1849, London, UK). INTERNATIONAL JOURNAL OF PALEOPATHOLOGY 2024; 46:24-36. [PMID: 39018834 DOI: 10.1016/j.ijpp.2024.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/18/2024] [Accepted: 06/23/2024] [Indexed: 07/19/2024]
Abstract
OBJECTIVES The objective of this study was to analyse an individual whose remains are characterised by early deciduous tooth loss and multi-focal lesions on the post-cranial skeleton. MATERIALS Skeletal remains of an immature individual buried between 1770 and 1849 in London. METHODS The remains were examined by visual macroscopic inspection, supplemented by radiographic examination of the mandible and maxillae. A differential diagnosis with possible conditions, frequent in this archaeological context, was conducted. A comprehensive examination of dental lesions was performed to investigate the aetiologies of deciduous tooth loss. RESULTS The individual exhibited a mosaic of skeletal and dental pathological changes, including premature loss of deciduous dentition, premature eruption of permanent teeth generalised bone loss in both the mandible and maxilla; osteomyelitis of the left radius; osteolytic lesion on the body of the second lumbar vertebra, and marked expansions of the rib shafts due to sub-periosteal new bone formation. CONCLUSION A differential diagnosis considered indicates that the pathological changes of the individual were most likely associated with a comorbidity involving hypophosphatasia and tuberculosis. SIGNIFICANCE We present in this study several oral signs that could alert paleopathologists and bioarcheologists to systematically consider the potential of a condition that is rarely encountered in archaeological contexts. LIMITATIONS Due to poor preservation, this study was confined to the analysis of a partial maxilla and mandible, a left radius shaft and the axial skeleton (rib heads and vertebrae) of the individual. SUGGESTIONS FOR FURTHER RESEARCH Further radiographic, histological and genetic analyses would confirm the diagnosis.
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Affiliation(s)
- Pierre-Hadrien Decaup
- Univ. de Bordeaux, UFR des Sciences odontologiques, Bordeaux, France; Univ. de Bordeaux, PACEA UMR 5199, CNRS, MCC, Pessac, France; Centre de Compétence des Maladies Rares Orales et Dentaires, CCMR O-Rares, C.H.U. de Bordeaux, France
| | - Ana Ribeiro
- Univ. de Bordeaux, UFR des Sciences odontologiques, Bordeaux, France; Pôle de médecine et chirurgie bucco-dentaires, C.H.U de Bordeaux, France
| | | | - Sacha Kacki
- Univ. de Bordeaux, PACEA UMR 5199, CNRS, MCC, Pessac, France
| | | | - Elsa Garot
- Univ. de Bordeaux, UFR des Sciences odontologiques, Bordeaux, France; Univ. de Bordeaux, PACEA UMR 5199, CNRS, MCC, Pessac, France; Centre de Compétence des Maladies Rares Orales et Dentaires, CCMR O-Rares, C.H.U. de Bordeaux, France.
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22
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Guo B, Tao Y, Yang T, Su X, Tan X, Tian W, Xie L. Biomaterials based on advanced oxidation processes in tooth whitening: fundamentals, progress, and models. J Mater Chem B 2024. [PMID: 39193628 DOI: 10.1039/d4tb01311e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
The increasing desire for aesthetically pleasing teeth has resulted in the widespread use of tooth whitening treatments. Clinical tooth whitening products currently rely on hydrogen peroxide formulations to degrade dental pigments through oxidative processes. However, they usually cause side effects such as tooth sensitivity and gingival irritation due to the use of high concentrations of hydrogen peroxide or long-time contact. In recent years, various novel materials and reaction patterns have been developed to tackle the issues related to H2O2-based tooth whitening. These can be broadly classified as advanced oxidation processes (AOPs). AOPs generate free radicals that have potent oxidizing properties, which can thereby increase the oxidation power and/or reduce the exposure time and can probably minimize the side effects of tooth bleaching. While there have been several reviews on clinical tooth whitening and the application of novel nanomaterials, a review based on the concept of AOPs in tooth bleaching application has not yet been conducted. This review describes the common types and mechanisms of AOPs, summarizes the latest research progress of new tooth bleaching materials based on AOPs, and proposes a model for tooth bleaching and a rate control step at the molecular level. The paper also reviews the shortcomings and suggests future development directions.
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Affiliation(s)
- Bingyi Guo
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
- School of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610299, China
| | - Yun Tao
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
| | - Tiantian Yang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
| | - Xiaofan Su
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
| | - Xinzhi Tan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
| | - Weidong Tian
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
| | - Li Xie
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Engineering Research Center of Oral Translational Medicine, Ministry of Education & National Engineering Laboratory for Oral Regenerative Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
- Rutgers School of Dental Medicine, Newark, New Jersey, USA
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23
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Wang H, Li J, Qin R, Guo F, Wang R, Bian Y, Chen H, Yuan H, Pan Y, Jin J, Wang Y, Du Y, Wu F. Porous Gelatin Methacrylate Gel Engineered by Freeze-Ultraviolet Promotes Osteogenesis and Angiogenesis. ACS Biomater Sci Eng 2024. [PMID: 39190529 DOI: 10.1021/acsbiomaterials.4c00269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
Alveolar bone defect reconstruction is a common challenge in stomatology. To address this, a thermosensitive/photosensitive gelatin methacrylate (GelMA) gel was developed based on various air solubilities and light-curing technologies. The gel was synthesized by using a freeze-ultraviolet (FUV) method to form a porous and quickly (within 15 min) solidifying modified network structure. Unlike other gel scaffolds limited by complex preparation procedures and residual products, this FUV-GelMA gel shows favorable manufacturing ability, promising biocompatibility, and adjustable macroporous structures. The results from a rat model suggested that this gel scaffold creates a conducive microenvironment for mandible reconstruction and vascularization. In vitro experiments further confirmed that the FUV-GelMA gel promotes osteogenic differentiation of human bone marrow mesenchymal stem cells and angiogenesis of human umbilical vein endothelial cells. Investigation of the underlying mechanism focused on the p38 mitogen-activated protein kinase (MAPK) pathway. We found that SB203580, a specific inhibitor of p38 MAPK, abolished the therapeutic effects of the FUV-GelMA gel on osteogenesis and angiogenesis, both in vitro and in vivo. These findings introduced a novel approach for scaffold-based tissue regeneration in future clinical applications.
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Affiliation(s)
- Haoran Wang
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Department of Oral and Maxillofacial Surgery, Zaozhuang Stomatological Hospital, Zaozhuang, Shandong 277100, China
| | - Jianfeng Li
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Ran Qin
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Fanyi Guo
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Ruyu Wang
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yifeng Bian
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Hanbang Chen
- Department of Prosthodontics, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Hua Yuan
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yongchu Pan
- Department of Orthodontic, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Jianliang Jin
- Department of Human Anatomy, Research Centre for Bone and Stem Cells, School of Basic Medical Sciences; Key Laboratory for Aging & Disease; School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Yuli Wang
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yifei Du
- Department of Oral and Maxillofacial Surgery, the Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Centre of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Fan Wu
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education; International Joint Laboratory for Drug Target of Critical Illnesses; School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
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24
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Jeon SG, Lee J, Lee SJ, Seo J, Choi J, Bae DH, Chun DH, Ko SY, Shin HS, Joo L, Lee SH, Lim YC, Choi WH, Yoo J. Salivary gland organoid transplantation as a therapeutic option for radiation-induced xerostomia. Stem Cell Res Ther 2024; 15:265. [PMID: 39183328 PMCID: PMC11346288 DOI: 10.1186/s13287-024-03833-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: 07/14/2023] [Accepted: 07/06/2024] [Indexed: 08/27/2024] Open
Abstract
BACKGROUND Xerostomia is a pathological condition characterized by decreased salivation due to salivary gland dysfunction and is frequently attributed to irreversible damage as a side effect of radiation therapy. Stem cell-derived organoid therapy has garnered attention as a promising avenue for resolving this issue. However, Matrigel, a hydrogel commonly used in organoid culture, is considered inappropriate for clinical use due to its undefined composition and immunogenicity. In this study, we aimed to develop a method for culturing collagen-based human salivary gland organoids (hSGOs) suitable for clinical applications and evaluated their therapeutic effectiveness. METHODS Human salivary gland stem cells were isolated from the salivary gland tissues and cultured in both Matrigel and collagen. We compared the gene and protein expression patterns of salivary gland-specific markers and measured amylase activity in the two types of hSGOs. To evaluate the therapeutic effects, we performed xenogeneic and allogeneic transplantation using human and mouse salivary gland organoids (hSGOs and mSGOs), respectively, in a mouse model of radiation-induced xerostomia. RESULTS hSGOs cultured in Matrigel exhibited self-renewal capacity and differentiated into acinar and ductal cell lineages. In collagen, they maintained a comparable self-renewal ability and more closely replicated the characteristics of salivary gland tissue following differentiation. Upon xenotransplantation of collagen-based hSGOs, we observed engraftment, which was verified by detecting human-specific nucleoli and E-cadherin expression. The expression of mucins, especially MUC5B, within the transplanted hSGOs suggested a potential improvement in the salivary composition. Moreover, the allograft procedure using mSGOs led to increased salivation, validating the efficacy of our approach. CONCLUSIONS This study showed that collagen-based hSGOs can be used appropriately in clinical settings and demonstrated the effectiveness of an allograft procedure. Our research has laid the groundwork for the future application of collagen-based hSGOs in allogeneic clinical trials.
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Affiliation(s)
- Seong Gyeong Jeon
- R&D Institute, ORGANOIDSCIENCES Co., Ltd, 331, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea
- Department of Microbiology, CHA University School of Medicine, 335, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea
| | - Jaeseon Lee
- R&D Institute, ORGANOIDSCIENCES Co., Ltd, 331, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea
| | - Su Jeong Lee
- R&D Institute, ORGANOIDSCIENCES Co., Ltd, 331, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea
- Department of Microbiology, CHA University School of Medicine, 335, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea
| | - Jaehwi Seo
- R&D Institute, ORGANOIDSCIENCES Co., Ltd, 331, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea
| | - Jinkyoung Choi
- R&D Institute, ORGANOIDSCIENCES Co., Ltd, 331, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea
| | - Dong Hyuck Bae
- Department of Microbiology, CHA University School of Medicine, 335, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea
| | - Duk-Hee Chun
- Department of Anesthesiology and Pain Medicine, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam, 13496, Republic of Korea
| | - Seung Young Ko
- Department of Radiation Oncology, CHA Bundang Medical Center, CHA University, Seongnam, 13496, Republic of Korea
| | - Hyun Soo Shin
- Department of Radiation Oncology, CHA Bundang Medical Center, CHA University, Seongnam, 13496, Republic of Korea
| | - Lina Joo
- Department of Microbiology, CHA University School of Medicine, 335, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea
| | - Sang-Hyuk Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, 03181, Republic of Korea
| | - Young Chang Lim
- Department of Otorhinolaryngology-Head and Neck Surgery, The Research Institute, Konkuk University School of Medicine, 120, Neungdong-ro, Seoul, 05029, Republic of Korea.
| | - Woo Hee Choi
- R&D Institute, ORGANOIDSCIENCES Co., Ltd, 331, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea.
- Department of Microbiology, CHA University School of Medicine, 335, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea.
| | - Jongman Yoo
- R&D Institute, ORGANOIDSCIENCES Co., Ltd, 331, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea.
- Department of Microbiology, CHA University School of Medicine, 335, Pangyo-ro, Seongnam-si, 13488, Gyeonggi-do, Republic of Korea.
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, Vietnam.
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25
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Colaco JC, Suresh B, Kaushal K, Singh V, Ramakrishna S. The Role of Deubiquitinating Enzymes in Primary Bone Cancer. Mol Biotechnol 2024:10.1007/s12033-024-01254-y. [PMID: 39177860 DOI: 10.1007/s12033-024-01254-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 07/01/2024] [Indexed: 08/24/2024]
Abstract
Bone is a living, intricate, and dynamic tissue providing locomotion and protection of the body. It also performs hematopoiesis and mineral homeostasis. Osteosarcoma (OS), Ewing sarcoma (ES), and chondrosarcoma (CS) are primary bone cancers. OS and ES mostly develop in younger individuals, and CS generally develops in adults. Ubiquitination regulates numerous cellular processes. The deubiquitinating enzymes (DUBs) detach the ubiquitin molecules from the ubiquitin labeled substrate, altering ubiquitinated protein functions and regulating protein stability via various signaling pathways. Protein homeostasis and bone remodeling are both crucially influenced by the UPS. Recently, there have been several reports on DUBs involved in bone homeostasis and various bone disorders through the regulation of osteoblasts and osteoclasts via NF-κB, Wnt/β-catenin, TRAF6, TGFβ, ERK1/2, and PI3K/Akt pathways. However, DUBs regulating function in bone homeostasis is still in its infancy. Here, we summarized several recent identifications on DUBs, with a focus on their role in bone cancer progression. Therefore, the study attempts to summarize association with the expression level of DUBs as key factors driving bone cancers and also provide new insights on DUBs as key pharmacologic targets for bone cancer therapeutics.
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Affiliation(s)
- Jencia Carminha Colaco
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Bharathi Suresh
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Kamini Kaushal
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Vijai Singh
- Department of Biosciences, School of Science, Indrashil University, Rajpur, Mehsana, Gujarat, 382715, India.
| | - Suresh Ramakrishna
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul, 04763, South Korea.
- College of Medicine, Hanyang University, Seoul, 04763, South Korea.
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Valivand N, Aravand S, Lotfi H, Esfahani AJ, Ahmadpour-Yazdi H, Gheibi N. Propolis: a natural compound with potential as an adjuvant in cancer therapy - a review of signaling pathways. Mol Biol Rep 2024; 51:931. [PMID: 39177837 DOI: 10.1007/s11033-024-09807-9] [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: 12/10/2023] [Accepted: 07/18/2024] [Indexed: 08/24/2024]
Abstract
Propolis is a natural product used in cancer treatment, which is produced by bees via different sources. The chemical composition of Propolis is determined based on the climatic and geographical conditions, as well as harvesting time and method. This compound has been the subject of numerous investigational endeavors due to its expansive therapeutic capacity which includes antibacterial, anti-fungal, anti-inflammatory, anti-oxidant, anti-viral, and anti-cancer effects. The growing incidence rate of different cancers necessitates the need for developing novel preventive and therapeutic strategies. Chemotherapy, radiotherapy, and stem cell therapy have proved effective in cancer treatment, regardless of the adverse events associated with these modalities. Clinical application of natural compounds such as Propolis may confer promise as an adjuvant therapeutic intervention, particularly in certain subpopulations of patients that develop adverse events associated with anticancer regimens. The diverse biologically active compounds of propolis are believed to confer anti-cancer potential by modulation of critical signaling cascades such as caffeic acid phenethyl ester, Galangin, Artepillin C, Chrysin, Quercetin, Caffeic acid, Nymphaeols A and C, Frondoside A, Genistein, p-coumaric acid, and Propolin C. This review article aims to deliver a mechanistic account of anti-cancer effects of propolis and its components. Propolis can prevent angiogenesis by downregulating pathways involving Jun-N terminal kinase, ERK1/2, Akt and NF-ƘB, while counteracting metastatic progression of cancer by inhibiting Wtn2 and FAK, and MAPK and PI3K/AKT signaling pathways. Moreover, propolis or its main components show regulatory effects on cyclin D, CDK2/4/6, and their inhibitors. Additionally, propolis-induced up-regulation of p21 and p27 may result in cell cycle arrest at G2/M or G0/G1. The broad anti-apoptotic effects of propolis are mediated through upregulation of TRAIL, Bax, p53, and downregulation of the ERK1/2 signaling pathway. Considering the growing body of evidence regarding different anti-cancers effects of propolis and its active components, this natural compound could be considered an effective adjuvant therapy aimed at reducing related side effects associated with chemotherapy and radiotherapy.
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Affiliation(s)
- Nassim Valivand
- Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Sara Aravand
- Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Hajie Lotfi
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Azam Janati Esfahani
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Hossein Ahmadpour-Yazdi
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Nematollah Gheibi
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran.
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Qazvin University of Medical Sciences, Qazvin, Iran.
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Błaszczyk B, Waliszewska-Prosół M, Więckiewicz M, Poręba R, Niemiec P, Przegrałek J, Martynowicz H. Sleep bruxism (SB) may be not associated with obstructive sleep apnea (OSA): A comprehensive assessment employing a systematic review and meta-analysis. Sleep Med Rev 2024; 78:101994. [PMID: 39182463 DOI: 10.1016/j.smrv.2024.101994] [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: 04/14/2024] [Revised: 06/22/2024] [Accepted: 08/17/2024] [Indexed: 08/27/2024]
Abstract
Associations between obstructive sleep apnea (OSA) and sleep bruxism (SB) are the subject of discussion but have not been confirmed definitively. Therefore, the objective of this meta-analysis was to examine the relationship between OSA and SB. This systematic review was conducted in accordance with PRISMA 2020 guidelines. PubMed, Embase and Web of Science were screened up to February 2024. The risk of bias was assessed with the Joanna Briggs Institute tool. 2260 records were identified, but only 14 studies were included. The odds of SB presence in OSA did not differ from the control group (OR: 1.23, 95 % CI: 0.47-3.20). The chance of SB compared to controls also did not differ in mild OSA (OR: 1.56, 95 % CI: 0.76-3.18), in moderate OSA (OR: 1.51, 95 % CI: 0.77-2.94) and in severe OSA (OR: 1.50, 95 % CI: 0.68-3.29). Additionally, the odds of SB were not increased in moderate OSA in comparison to mild OSA (OR: 1.14, 95 % CI: 0.63-2.94), in severe OSA compared to moderate OSA (OR: 1.31, 95 % CI: 0.61-2.79) or in severe OSA compared to mild OSA (OR = 1.42, 95 % CI: 0.69-2.93). The presence of SB in OSA did not differ between genders (OR: 2.14, 95 % CI: 0.65-7.05). The quality of the major studies included is low; therefore, the noted lack of correlation between OSA and SB may require further research. The relationship between OSA and SB seems to be multi-faceted. Presented results should not exempt clinicians from exact diagnosis of concomitant sleep conditions in OSA subjects.
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Affiliation(s)
- Bartłomiej Błaszczyk
- Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, Wroclaw, Poland
| | | | - Mieszko Więckiewicz
- Department of Experimental Dentistry, Wroclaw Medical University, Wroclaw, Poland
| | - Rafał Poręba
- Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, Wroclaw, Poland
| | - Piotr Niemiec
- Faculty of Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Jakub Przegrałek
- Faculty of Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Helena Martynowicz
- Department of Internal Medicine, Occupational Diseases, Hypertension and Clinical Oncology, Wroclaw Medical University, Wroclaw, Poland
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Zhang Y, Yang Y, Hou Y, Yan W, Zhang X, Huang X, Song Q, He F, Wang J, Sun A, Tian C. ZNF8 promotes progression of gastrointestinal cancers via a p53-dependent mechanism. Cell Signal 2024; 123:111354. [PMID: 39173856 DOI: 10.1016/j.cellsig.2024.111354] [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: 03/20/2024] [Revised: 07/09/2024] [Accepted: 08/18/2024] [Indexed: 08/24/2024]
Abstract
p53 is a critical tumor suppressor, and the disruption of its normal function is often a prerequisite for the development or progression of tumors. Our previous works revealed that multiple members of Krüppel-associated box (KRAB) domain zinc-finger proteins (KZFPs) family regulate p53 transcriptional activity by interacting with it. But the tumor biology functions of these members have not been fully elucidated. Here, the pan-cancer analysis related to gastrointestinal cancers (GICs) revealed that ZNF8, a p53-interacting protein, is an unfavorable prognostic factor for patients with malignancies. ZNF8 interacts with p53 and further depresses its transcriptional activity in colon cancer cells. The knockdown of ZNF8 or the overexpression of ZNF8 inhibits or facilitates the in vitro colony formation, migration, invasion, and angiogenesis of p53+/+ colon cancer HCT116 cells, HepG2 cells and EC109 cells rather than p53-/- colon cancer HCT116 cells and p53-knockout HepG2 cells, respectively. Xenograft experiments conducted in vivo also showed that the knockdown of ZNF8 in p53+/+ but not in p53-/- HCT116 cells curbs the tumor growth and metastasis to lung, leading to an extended life span for tumor-bearing mice. Clinically, two independent immunohistochemistry cohorts of colon cancer and esophageal cancer also indicated that ZNF8 is higher expression in carcinoma tissues than adjacent tissues and this is associated with worse overall survival outcomes in patients without harboring p53 mutation. Together, our results provide insight into the p53-specific tumor oncogenic function of ZNF8. ZNF8 may prove to be a potential target for GICs treatment.
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Affiliation(s)
- Yiming Zhang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China; Research Unit of Proteomics Dirven Cancer Precision Medicine, Chinese Academy of Medical Sciences, Beijing 102206, China
| | - Yingchuan Yang
- College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Yushan Hou
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China; Research Unit of Proteomics Dirven Cancer Precision Medicine, Chinese Academy of Medical Sciences, Beijing 102206, China
| | - Wei Yan
- The First Medical Center of Chinese PLA General Hospital, Beijing 100036, China
| | - Xiuyuan Zhang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China; Research Unit of Proteomics Dirven Cancer Precision Medicine, Chinese Academy of Medical Sciences, Beijing 102206, China
| | - Xiaofen Huang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China; College of Life Sciences, Hebei University, Baoding 071002, Hebei, China
| | - Qin Song
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China; College of Life Sciences, Hebei University, Baoding 071002, Hebei, China
| | - Fuchu He
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China; Research Unit of Proteomics Dirven Cancer Precision Medicine, Chinese Academy of Medical Sciences, Beijing 102206, China
| | - Jian Wang
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China; Research Unit of Proteomics Dirven Cancer Precision Medicine, Chinese Academy of Medical Sciences, Beijing 102206, China; College of Life Sciences, Hebei University, Baoding 071002, Hebei, China.
| | - Aihua Sun
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China; Research Unit of Proteomics Dirven Cancer Precision Medicine, Chinese Academy of Medical Sciences, Beijing 102206, China; College of Life Sciences, Hebei University, Baoding 071002, Hebei, China.
| | - Chunyan Tian
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing 102206, China; Research Unit of Proteomics Dirven Cancer Precision Medicine, Chinese Academy of Medical Sciences, Beijing 102206, China; College of Life Sciences, Hebei University, Baoding 071002, Hebei, China.
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Simpson A, Johnston W, Carda-Diéguez M, Mira A, Easton C, Henriquez FL, Culshaw S, Rosier BT, Burleigh M. Periodontal treatment causes a longitudinal increase in nitrite-producing bacteria. Mol Oral Microbiol 2024. [PMID: 39169836 DOI: 10.1111/omi.12479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Accepted: 07/14/2024] [Indexed: 08/23/2024]
Abstract
BACKGROUND The oral microbiome-dependent nitrate (NO3 -)-nitrite (NO2 -)-nitric oxide (NO) pathway may help regulate blood pressure. NO2 --producing bacteria in subgingival plaque are reduced in relative abundance in patients with untreated periodontitis compared with periodontally healthy patients. In periodontitis patients, the NO2 --producing bacteria increase several months after periodontal treatment. The early effects of periodontal treatment on NO2 --producing bacteria and the NO3 --NO2 --NO pathway remain unknown. The aim of this study was to determine how periodontal treatment affects the oral NO2 --producing microbiome and salivary NO3 - and NO2 - levels over time. METHODS The subgingival microbiota of 38 periodontitis patients was analysed before (baseline [BL]) and 1, 7 and 90 days after periodontal treatment. Changes in NO2 --producing bacteria and periodontitis-associated bacteria were determined by 16s rRNA Illumina sequencing. Saliva samples were collected at all-time points to determine NO3 - and NO2 - levels using gas-phase chemiluminescence. RESULTS A significant increase was observed in the relative abundance of NO2 --producing species between BL and all subsequent timepoints (all p < 0.001). Periodontitis-associated species decreased at all timepoints, relative to BL (all p < 0.02). NO2 --producing species negatively correlated with periodontitis-associated species at all timepoints, with this relationship strongest 90 days post-treatment (ρ = -0.792, p < 0.001). Despite these findings, no significant changes were found in salivary NO3 - and NO2 - over time (all p > 0.05). CONCLUSIONS Periodontal treatment induced an immediate increase in the relative abundance of health-associated NO2 --producing bacteria. This increase persisted throughout periodontal healing. Future studies should test the effect of periodontal treatment combined with NO3 - intake on periodontal and cardiovascular health.
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Affiliation(s)
- Annabel Simpson
- Sport and Physical Activity Research Institute, University of the West of Scotland, Blantyre, UK
| | - William Johnston
- School of Biological and Biomedical Sciences, Glasgow Caledonian University, Glasgow, UK
| | - Miguel Carda-Diéguez
- Department of Health and Genomics, Centre for Advanced Research in Public Health, FISABIO Foundation, Valencia, Spain
| | - Alex Mira
- Department of Health and Genomics, Centre for Advanced Research in Public Health, FISABIO Foundation, Valencia, Spain
| | - Chris Easton
- Sport and Physical Activity Research Institute, University of the West of Scotland, Blantyre, UK
| | - Fiona L Henriquez
- Sport and Physical Activity Research Institute, University of the West of Scotland, Blantyre, UK
| | - Shauna Culshaw
- Oral Sciences, University of Glasgow Dental School, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Bob T Rosier
- Department of Health and Genomics, Centre for Advanced Research in Public Health, FISABIO Foundation, Valencia, Spain
| | - Mia Burleigh
- Sport and Physical Activity Research Institute, University of the West of Scotland, Blantyre, UK
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Chen H, Xu J, Dun Z, Yang Y, Wang Y, Shu F, Zhang Z, Liu M. Emulsion electrospun epigallocatechin gallate-loaded silk fibroin/polycaprolactone nanofibrous membranes for enhancing guided bone regeneration. Biomed Mater 2024; 19:055039. [PMID: 39121887 DOI: 10.1088/1748-605x/ad6dc8] [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: 06/08/2024] [Accepted: 08/09/2024] [Indexed: 08/12/2024]
Abstract
Guided bone regeneration (GBR) membranes play an important role in oral bone regeneration. However, enhancing their bone regeneration potential and antibacterial properties is crucial. Herein, silk fibroin (SF)/polycaprolactone (PCL) core-shell nanofibers loaded with epigallocatechin gallate (EGCG) were prepared using emulsion electrospinning. The nanofibrous membranes were characterized via scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis, water contact angle (CA) measurement, mechanical properties testing, drug release kinetics, and 1,1-diphenyl-2-picryl-hydrazyl radical (DPPH) free radical scavenging assay. Mouse pre-osteoblast MC3T3-E1 cells were used to assess the biological characteristics, cytocompatibility, and osteogenic differentiation potential of the nanofibrous membrane. Additionally, the antibacterial properties againstStaphylococcus aureus (S. aureus)andEscherichia coli (E. coli)were evaluated. The nanofibers prepared by emulsion electrospinning exhibited a stable core-shell structure with a smooth and continuous surface. The tensile strength of the SF/PCL membrane loaded with EGCG was 3.88 ± 0.15 Mpa, the water CA was 50°, and the DPPH clearance rate at 24 h was 81.73% ± 0.07%. The EGCG release rate of membranes prepared by emulsion electrospinning was reduced by 12% within 72 h compared to that of membranes prepared via traditional electrospinning.In vitroexperiments indicate that the core-shell membranes loaded with EGCG demonstrated good cell compatibility and promoted adhesion, proliferation, and osteogenic differentiation of MC3T3-E1 cells. Furthermore, the EGCG-loaded membranes exhibited inhibitory effects onE. coliandS. aureus. These findings indicate that core-shell nanofibrous membranes encapsulated with EGCG prepared using emulsion electrospinning possess good antioxidant, osteogenic, and antibacterial properties, making them potential candidates for research in GBR materials.
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Affiliation(s)
- Hong Chen
- Department of Prosthodontics, The Affiliated Stomatological Hosptial of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, People's Republic of China
| | - Jiya Xu
- Department of Prosthodontics, The Affiliated Stomatological Hosptial of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, People's Republic of China
| | - Zhiyue Dun
- Department of Prosthodontics, The Affiliated Stomatological Hosptial of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, People's Republic of China
| | - Yi Yang
- Department of Prosthodontics, The Affiliated Stomatological Hosptial of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, People's Republic of China
| | - Yueqiu Wang
- Department of Endodontics, The Affiliated Stomatological Hosptial of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, People's Republic of China
| | - Fei Shu
- Department of Prosthodontics, The Affiliated Stomatological Hosptial of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, People's Republic of China
| | - Zhihao Zhang
- Department of Prosthodontics, The Affiliated Stomatological Hosptial of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, People's Republic of China
| | - Mei Liu
- Department of Prosthodontics, The Affiliated Stomatological Hosptial of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, People's Republic of China
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31
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Pan L, She H, Hu Y, Liu L, Wang H, Zhu L. Toll-like receptor 4 deficiency affects the balance of osteoclastogenesis and osteoblastogenesis in periodontitis. Int Immunopharmacol 2024; 137:112500. [PMID: 38889511 DOI: 10.1016/j.intimp.2024.112500] [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: 02/19/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 06/20/2024]
Abstract
Toll-like receptor 4 (TLR4) acts as a double-edged sword in the occurrence and development of periodontitis. While the activation of TLR4 in macrophages aids in clearing local pathogens, it can also disrupt innate immune responses, upsetting microecological balance and accelerating the destruction of periodontal bone tissues. To date, the effects of TLR4 on osteogenesis and osteoclastogenesis in periodontitis have not been comprehensively studied. In this study, we investigated the development of periodontitis in the Tlr4-/- mice by ligating their second molars with silk threads. Compared to wild-type (WT) mice, Tlr4-/- mice demonstrated increased resistance to periodontitis-associated bone destruction, as evidenced by decreased bone resorption and enhanced bone regeneration. Mechanistically, the deletion of Tlr4 not only inhibited osteoclast formation by reducing the expression of NFATc1, CTSK and TRAP, but also enhanced osteogenic abilities through increased expression of OCN, OPN and RUNX2. In conclusion, TLR4 tips the balance of osteoclastogenesis and osteogenesis, thereby promoting periodontal bone destruction in periodontitis.
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Affiliation(s)
- Lu Pan
- Department of Stomatology, The Affiliated Taizhou People's Hospital of Nanjing Medical University, Taizhou, Jiangsu, China
| | - He She
- Department of Stomatology, Taizhou Fourth People's Hospital, Taizhou, Jiangsu, China
| | - Yong Hu
- Department of Stomatology, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, Suzhou, Jiangsu, China
| | - Laikui Liu
- Department of Basic Science of Stomatology, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hongyan Wang
- State Key Laboratory of Tea Plant Biology and Utilization, School of Tea and Food Science and Technology, Anhui Agricultural University, Hefei, Anhui, China.
| | - Lifang Zhu
- Department of Stomatology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
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Zhao Y, Qian S, Zheng Z, Peng J, Liu J, Guan X, Liao C. Consideration of hormonal changes for orthodontic treatment during pregnancy and lactation - a review. Reprod Biol Endocrinol 2024; 22:106. [PMID: 39164703 PMCID: PMC11334371 DOI: 10.1186/s12958-024-01281-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Accepted: 08/14/2024] [Indexed: 08/22/2024] Open
Abstract
Hormonal changes in pregnant and lactating women significantly affect bone metabolism and overall stress levels, positioning them as a unique group within the orthodontic population. Fluctuations in estrogen, progesterone, prolactin, and other hormones are closely linked to bone remodeling and the periodontal tissue's response to inflammation caused by dental plaque. Hormones such as thyrotropin, leptin, and melatonin also play crucial roles in pregnancy and bone remodeling, with potential implications for orthodontic tooth movement. Additionally, adverse personal behaviors and changes in dietary habits worsen periodontal conditions and complicate periodontal maintenance during orthodontic treatment. Notably, applying orthodontic force during pregnancy and lactation may trigger stress responses in the endocrine system, altering hormone levels. However, these changes do not appear to adversely affect the mother or fetus. This review comprehensively examines the interaction between hormone levels and orthodontic tooth movement in pregnant and lactating women, offering insights to guide clinical practice.
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Affiliation(s)
- Yujie Zhao
- Department of Orthodontics, Guiyang Stomatological Hospital, No.253 Jiefang Road, Nanming District, Guiyang, Guizhou Province, 550002, China
| | - Shengqi Qian
- Department of Stomatology, Guizhou Provincial People's Hospital, No.23 Zhongshan East Road, Nanming District, Guiyang, Guizhou Province, 550002, China
| | - Zhijun Zheng
- Department of Orthodontics, Guiyang Stomatological Hospital, No.253 Jiefang Road, Nanming District, Guiyang, Guizhou Province, 550002, China
| | - Juxiang Peng
- Department of Orthodontics, Guiyang Stomatological Hospital, No.253 Jiefang Road, Nanming District, Guiyang, Guizhou Province, 550002, China
| | - Jianguo Liu
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi, 563006, China
| | - Xiaoyan Guan
- Department of Orthodontics II, Affiliated Stomatological Hospital of Zunyi Medical University, No.143 Dalian Road, Huichuan District, Zunyi, Guizhou Province, 563000, China.
| | - Chengcheng Liao
- Department of Orthodontics II, Affiliated Stomatological Hospital of Zunyi Medical University, No.143 Dalian Road, Huichuan District, Zunyi, Guizhou Province, 563000, China.
- Oral Disease Research Key Laboratory of Guizhou Tertiary Institution, School of Stomatology, Zunyi Medical University, Zunyi, 563006, China.
- West China School of Stomatology, Sichuan University, Chengdu, 610000, China.
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Ikeda Y, Yasuhara R, Tanaka J, Ida-Yonemochi H, Akiyama H, Otsu K, Miyamoto I, Harada H, Yamada H, Fukada T, Irié T. PLAG1 overexpression in salivary gland duct-acinar units results in epithelial tumors with acinar-like features: Tumorization of luminal stem/progenitor cells may result in the developmen t of salivary gland tumors consisting of only luminal cells. J Oral Biosci 2024:S1349-0079(24)00192-0. [PMID: 39159676 DOI: 10.1016/j.job.2024.08.002] [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: 06/13/2024] [Revised: 08/13/2024] [Accepted: 08/13/2024] [Indexed: 08/21/2024]
Abstract
OBJECTIVES Details about salivary gland tumor histogenesis remain unknown. Here, we established a newly generated murine salivary gland tumor model that could overexpress pleomorphic adenoma gene 1 (PLAG1) and attempted to clarify the events that occur during the early phase of salivary gland tumor histogenesis. METHODS Salivary gland tumors were generated using murine models (Sox9IRES-CreERT2; ROSA26-PLAG1). Lineage tracing of Sox9-expressing cells was performed using Sox9IRES-CreERT2; ROSA26-tdTomato mice, which were generated by crossing Sox9CreERT2/- and ROSA26-tdTomato mice (expressing the tdTomato fluorescent protein). Organ-cultured embryonic salivary glands from the murine model were morphologically analyzed, and mRNA sequencing was conducted two days after tumor induction for gene enrichment and functional annotation analysis. RESULTS Salivary gland tumors exhibited epithelial features with acinar-like structures because of gene rearrangements in the luminal cells. Structural disturbances in the duct-acinar unit of the salivary gland were observed and cancer-related pathways were enriched among the differentially upregulated genes in the early phase of tumor induction in an organ-cultured embryonic salivary gland tumor model. CONCLUSIONS The newly generated murine salivary gland tumor model may show that the tumorization of luminal stem/progenitor cells can result in the development of salivary gland tumors comprising only luminal cells.
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Affiliation(s)
- Yunosuke Ikeda
- Division of Oral and Maxillofacial Surgery, Department of Oral and Maxillofacial Reconstructive Surgery, Iwate Medical University, 1-1-1 Idaidori, Yahaba-cho, Shiwa-gun, Iwate 028-3694, Japan; Division of Anatomical and Cellular Pathology, Department of Pathology, Iwate Medical University, 1-1-1 Idaidori, Yahaba-cho, Shiwa-gun, Iwate 028-3694, Japan
| | - Rika Yasuhara
- Division of Pathology, Department of Oral Diagnostic Sciences, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Junichi Tanaka
- Division of Pathology, Department of Oral Diagnostic Sciences, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Hiroko Ida-Yonemochi
- Division of Anatomy and Cell Biology of the Hard Tissue, Department of Tissue Regeneration and Reconstruction, Graduate School of Medical and Dental Sciences, Niigata University, Chuo-ku, Niigata, 951-8514, Japan
| | - Haruhiko Akiyama
- Department of Orthopaedic Surgery, School of Medicine, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan; Center for One Medicine Innovative Translational Research (COMIT), Gifu University, Gifu, 1-1 Yanagido, Gifu 501-1194, Japan
| | - Keishi Otsu
- Division of Developmental Biology and Regenerative Medicine, Department of Anatomy, Iwate Medical University, 1-1-1 Idaidori, Yahaba-cho, Shiwa-gun, Iwate 028-3694, Japan
| | - Ikuya Miyamoto
- Oral Diagnosis and Medicine, Faculty of Dental Medicine and Graduate School of Dental Medicine, Hokkaido University, Kita-13 Nishi-7, Kita-ku, Sapporo, Hokkaido 060-0813, Japan
| | - Hidemitsu Harada
- Division of Developmental Biology and Regenerative Medicine, Department of Anatomy, Iwate Medical University, 1-1-1 Idaidori, Yahaba-cho, Shiwa-gun, Iwate 028-3694, Japan
| | - Hiroyuki Yamada
- Division of Oral and Maxillofacial Surgery, Department of Oral and Maxillofacial Reconstructive Surgery, Iwate Medical University, 1-1-1 Idaidori, Yahaba-cho, Shiwa-gun, Iwate 028-3694, Japan
| | - Toshiyuki Fukada
- Division of Pathology, Department of Oral Diagnostic Sciences, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan; Molecular and Cellular Physiology, Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Nishihamabouji, Yamashiro, Tokushima 770-8055, Japan
| | - Tarou Irié
- Division of Anatomical and Cellular Pathology, Department of Pathology, Iwate Medical University, 1-1-1 Idaidori, Yahaba-cho, Shiwa-gun, Iwate 028-3694, Japan; Division of Pathology, Department of Oral Diagnostic Sciences, School of Dentistry, Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan.
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Kabir MH, Reformat M, Hryniuk SS, Stampe K, Lou E. Validity of machine learning algorithms for automatically extract growing rod length on radiographs in children with early-onset scoliosis. Med Biol Eng Comput 2024:10.1007/s11517-024-03181-1. [PMID: 39152359 DOI: 10.1007/s11517-024-03181-1] [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: 01/20/2024] [Accepted: 08/04/2024] [Indexed: 08/19/2024]
Abstract
The magnetically controlled growing rod technique is an effective surgical treatment for children who have early-onset scoliosis. The length of the instrumented growing rods is adjusted regularly to compensate for the normal growth of these patients. Manual measurement of rod length on posteroanterior spine radiographs is subjective and time-consuming. A machine learning (ML) system using a deep learning approach was developed to automatically measure the adjusted rod length. Three ML models-rod model, 58 mm model, and head-piece model-were developed to extract the rod length from radiographs. Three-hundred and eighty-seven radiographs were used for model development, and 60 radiographs with 118 rods were separated for final testing. The average precision (AP), the mean absolute difference (MAD) ± standard deviation (SD), and the inter-method correlation coefficient (ICC[2,1]) between the manual and artificial intelligence (AI) adjustment measurements were used to evaluate the developed method. The AP of the 3 models were 67.6%, 94.8%, and 86.3%, respectively. The MAD ± SD of the rod length change was 0.98 ± 0.88 mm, and the ICC[2,1] was 0.90. The average time to output a single rod measurement was 6.1 s. The developed AI provided an accurate and reliable method to detect the rod length automatically.
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Affiliation(s)
- Mohammad Humayun Kabir
- Department of Electrical and Computer Engineering, University of Alberta, 11-263 Donadeo Innovation Centre for Engineering, 9211-116 St, Edmonton, AB, T6G 1H9, Canada
| | - Marek Reformat
- Department of Electrical and Computer Engineering, University of Alberta, 11-263 Donadeo Innovation Centre for Engineering, 9211-116 St, Edmonton, AB, T6G 1H9, Canada
| | | | - Kyle Stampe
- Department of Electrical and Computer Engineering, University of Alberta, 11-263 Donadeo Innovation Centre for Engineering, 9211-116 St, Edmonton, AB, T6G 1H9, Canada
- Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Edmond Lou
- Department of Electrical and Computer Engineering, University of Alberta, 11-263 Donadeo Innovation Centre for Engineering, 9211-116 St, Edmonton, AB, T6G 1H9, Canada.
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Ahmadi-Motamayel F, Fathi S, Roshanaei G. Assessment of endocarditis prophylaxis knowledge and attitudes among healthcare practitioners in Tehran and Hamadan. BMC Oral Health 2024; 24:954. [PMID: 39152405 PMCID: PMC11328491 DOI: 10.1186/s12903-024-04722-8] [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: 04/02/2024] [Accepted: 08/08/2024] [Indexed: 08/19/2024] Open
Abstract
BACKGROUND Having knowledge of the dental procedures that necessitate endocarditis prophylaxis is of high importance. Therefore, the aim of the present study was to determine the knowledge level and attitudes of general medical and dental practitioners, dental specialists, and cardiologists in Tehran and Hamadan about endocarditis. METHODS This cross-sectional study was carried out on 420 general medical and dental practitioners, dental specialists, and cardiologists in Tehran and Hamadan provinces in 2015. The questionnaire used in this research consisted of three parts as follows: part one: information on cardiac diseases; part two: dental procedures requiring endocarditis prophylaxis; part three: antibiotic diet in endocarditis prophylaxis. Independent t-test, one-way ANOVA, and chi-square tests were conducted to analyze the data. All the analyses were performed in SPSS version 16. RESULTS The results showed that 86.7 had a relatively favorable and 10.5% of subjects had a favorable level of knowledge about endocarditis. Also, 58.6% of subjects had a poor attitude toward endocarditis prophylaxis. There was a significant relationship between knowledge and attitude, age, gender, and work experience (P < 0.001). There was a significant relationship between knowledge and attitude, and job groups; dental specialists had a more favorable knowledge and positive attitude than others (P < 0.001). CONCLUSION We recommended developing more practical training programs in dental schools on cardiac diseases, and dental procedures requiring endocarditis prophylaxis and antibiotic diets.
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Affiliation(s)
- Fatemeh Ahmadi-Motamayel
- Dental research Center, Department of Oral Medicine, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Shima Fathi
- Department of Oral Medicine, Faculty of Dentistry, Lorestan University of Medical Sciences, Khorram abad, Iran.
| | - Ghodratollah Roshanaei
- Department of Biostatistics, School of Public Health, Modeling of Noncommunicable Diseases Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Bumm CV, Schwendicke F, Heck K, Frasheri I, Summer B, Ern C, Heym R, Werner N, Folwaczny M. The Role of Interleukin-8 in the Estimation of Responsiveness to Steps 1 and 2 of Periodontal Therapy. J Clin Periodontol 2024. [PMID: 39152683 DOI: 10.1111/jcpe.14055] [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: 10/26/2023] [Revised: 07/03/2024] [Accepted: 07/23/2024] [Indexed: 08/19/2024]
Abstract
OBJECTIVE To investigate the association between interleukin-8 (IL-8) levels in gingival crevicular fluid (GCF) and total oral fluid (TOF) and the responsiveness to steps 1 and 2 of periodontal therapy. MATERIALS AND METHODS One-hundred and fifty-nine patients affected by periodontitis received steps 1 and 2 of periodontal therapy. At baseline, TOF and GCF samples were collected and analysed for IL-8 (Il-8TOF/IL-8GCF) using flow cytometry. Therapy outcomes were relative proportions of residual periodontal pockets (PPD%), pocket closure (PC) rates and pocket probing depth (PPD) reductions; these were associated with IL-8TOF/IL-8GCF. RESULTS High IL-8TOF was significantly associated with higher residual PPD% (p = 0.044) and lower PPD reduction compared to low IL-8TOF (high 0.79 ± 1.20 mm vs. low 1.20 ± 1.20 mm, p < 0.001) in non-smokers, while in smokers high IL-8GCF was related to lower PPD reduction (high 0.62 ± 1.22 mm vs. low 0.84 ± 1.12 mm, p = 0.009). Furthermore, high baseline IL-8TOF was significantly associated with poorer PC rates compared to medium and low concentrations in both non-smokers (high 41% vs. medium 55% vs. low 58%, p < 0.001) and smokers (high 34% vs. medium 44% vs. low 46%, p < 0.001). CONCLUSION High IL-8 concentrations at baseline had a significant impact on residual PPD%, PC rates and PPD reduction. The findings suggest that, especially in non-smokers, baseline IL-8 levels collected from the TOF could serve as a component in the estimation of responsiveness to steps 1 and 2 of periodontal therapy.
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Affiliation(s)
- Caspar Victor Bumm
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, Munich, Germany
- Private Practice, Munich, Germany
| | - Falk Schwendicke
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, Munich, Germany
| | - Katrin Heck
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, Munich, Germany
| | - Iris Frasheri
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, Munich, Germany
| | - Burkhard Summer
- Department of Dermatology and Allergy, LMU University Hospital, LMU Munich, Munich, Germany
| | | | | | - Nils Werner
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, Munich, Germany
| | - Matthias Folwaczny
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, Munich, Germany
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de Almeida K, Câmara P, Camargo G, Pereira T, Vieira A, Lopes-Cendes I, Severino P, Souto EB, Pascoal A, Pascoal V. Identification of microRNAs expressed in an animal model of periodontal disease and their impact on pathological processes. Tissue Cell 2024; 90:102525. [PMID: 39178577 DOI: 10.1016/j.tice.2024.102525] [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: 04/24/2024] [Revised: 08/12/2024] [Accepted: 08/15/2024] [Indexed: 08/26/2024]
Abstract
MicroRNAs represent a class of small RNAs that act to silence genes post-transcriptionally by inhibiting the translation of target messenger RNAs, and this study aimed to understand how miRNAs influence the set-up of periodontal disease. Periodontitis was induced by inserting a ligature into the left first mandibular molar in a rat model, which was kept for the entire 56 days-time of experiment. After 56 days post-periodontitis induction, the histopathological analysis showed an apical extension of the junctional epithelium, with areas of hyperplasia, exocytosis, and a mixed inflammatory infiltrate with a predominance of neutrophils, lymphocytes, and eventual plasma cells in the deeper layers. The cement surface showed areas of irregularity, covered by cementoblasts and irregular surfaces, confirming the set-up of periodontitis. In the sequencing analysis, 26,404 genes were identified, with 132 reaching statistical significance. Among genes with a statistical difference, 18 were found to encode for microRNAs. The identified microRNAs are primarily involved in bone remodeling by acting on fibroblast growth factors, and collagen production. These outcomes demonstrate a signaling role in bone resorption, which is consistent with the histopathological observations that show the installation of inflammation with epithelial migration and the beginning of the repair process, with cementum resorption. The disclosure of how miRNAs may influence the maintaining of periodontal disease will help the development of new dental materials for the prophylaxis and treatment of alveolar bone resorption.
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Affiliation(s)
- Kelly de Almeida
- Department of Basic Sciences, Nova Friburgo Health Institute, Fluminense Federal University, Nova Friburgo, RJ, Brazil
| | - Priscilla Câmara
- Department of Basic Sciences, Nova Friburgo Health Institute, Fluminense Federal University, Nova Friburgo, RJ, Brazil
| | - Gabriela Camargo
- Postgraduate Program in Dentistry, Nova Friburgo Health Institute, Fluminense Federal University Nova Friburgo, Nova Friburgo, RJ, Brazil
| | - Tiago Pereira
- Graduate Program in Genetics, Faculty of Medicine of Ribeirão Preto, Universidade de São Paulo, SP, Brazil
| | - André Vieira
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas, Campinas, São Paulo, Brazil
| | - Iscia Lopes-Cendes
- Department of Medical Genetics, Faculty of Medical Sciences, State University of Campinas, Campinas, São Paulo, Brazil
| | - Patrícia Severino
- Biotechnological Postgraduate Program, Tiradentes University, Aracaju, Sergipe 49010-390, Brazil
| | - Eliana B Souto
- UCD School of Chemical and Bioprocess Engineering, University College Dublin, Dublin 4, Belfield D04 V1W8, Ireland.
| | - Aislan Pascoal
- Department of Basic Sciences, Nova Friburgo Health Institute, Fluminense Federal University, Nova Friburgo, RJ, Brazil
| | - Vinicius Pascoal
- Department of Basic Sciences, Nova Friburgo Health Institute, Fluminense Federal University, Nova Friburgo, RJ, Brazil.
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Pote MS, Singh D, M. A A, Suchita J, Gacche RN. Cancer metastases: Tailoring the targets. Heliyon 2024; 10:e35369. [PMID: 39170575 PMCID: PMC11336595 DOI: 10.1016/j.heliyon.2024.e35369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2024] [Accepted: 07/26/2024] [Indexed: 08/23/2024] Open
Abstract
Metastasis is an intricate and formidable pathophysiological process encompassing the dissemination of cancer cells from the primary tumour body to distant organs. It stands as a profound and devastating phenomenon that constitutes the primary driver of cancer-related mortality. Despite great strides of advancements in cancer research and treatment, tailored anti-metastasis therapies are either lacking or have shown limited success, necessitating a deeper understanding of the intrinsic elements driving cancer invasiveness. This comprehensive review presents a contemporary elucidation of pivotal facets within the realm of cancer metastasis, commencing with the intricate processes of homing and invasion. The process of angiogenesis, which supports tumour growth and metastasis, is addressed, along with the pre-metastatic niche, wherein the primary tumour prepares for a favorable microenvironment at distant sites for subsequent metastatic colonization. The landscape of metastasis-related genetic and epigenetic mechanisms, involvement of metastasis genes and metastasis suppressor genes, and microRNAs (miRNA) are also discussed. Furthermore, immune modulators' impact on metastasis and their potential as therapeutic targets are addressed. The interplay between cancer cells and the immune system, including immune evasion mechanisms employed by metastatic cells, is discussed, highlighting the importance of targeting immune modulation in arresting metastatic progression. Finally, this review presents promising treatment opportunities derived from the insights gained into the mechanisms of metastasis. Identifying novel therapeutic targets and developing innovative strategies to disrupt the metastatic cascade holds excellent potential for improving patient outcomes and ultimately reducing cancer-related mortality.
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Affiliation(s)
| | | | | | | | - Rajesh N. Gacche
- Department of Biotechnology, Savitribai Phule Pune University, Pune, Maharashtra, India
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Zhang Y, Zheng L, Liu G, Shen J, Chen G, Mei X, Chang Y, Xue C. The α-linkage in funoran and agarose could be hydrolyzed by a GH96 family enzyme: Discovery of the α-funoranase. Carbohydr Polym 2024; 338:122201. [PMID: 38763726 DOI: 10.1016/j.carbpol.2024.122201] [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: 11/01/2023] [Revised: 03/27/2024] [Accepted: 04/22/2024] [Indexed: 05/21/2024]
Abstract
Agarans represent a group of galactans extracted from red algae. Funoran and agarose are the two major types and commercially applied polysaccharides of agaran. Although the glycoside hydrolases targeting β-glycosidic bonds of agaran have been widely investigated, those capable of degrading α-glycosidic bonds of agarose were limited, and the enzyme degrading α-linkages of funoran has not been reported till now. In this study, a GH96 family enzyme BiAF96A_Aq from a marine bacterium Aquimarina sp. AD1 was heterologously expressed in Escherichia coli. BiAF96A_Aq exhibited dual activities towards the characteristic structure of funoran and agarose, underscoring the multifunctionality of GH96 family members. Glycomics and NMR analysis revealed that BiAF96A_Aq hydrolyzed the α-1,3 glycosidic bonds between 3,6-anhydro-α-l-galactopyranose (LA) and β-d-galactopyranose-6-sulfate (G6S) of funoran, as well as LA and β-d-galactopyranose (G) of agarose, through an endo-acting manner. The end products of BiAF96A_Aq were majorly composed of disaccharides and tetrasaccharides. The identification of the activity of BiAF96A_Aq on funoran indicated the first discovery of the funoran hydrolase for α-1,3 linkage. Considering the novel catalytic reaction, we proposed to name this activity as "α-funoranase" and recommended the assignment of a dedicated EC number for its classification.
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Affiliation(s)
- Yuying Zhang
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Long Zheng
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Guanchen Liu
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Jingjing Shen
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Guangning Chen
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Xuanwei Mei
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China
| | - Yaoguang Chang
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China; Qingdao Marine Science and Technology Center, 1 Wenhai Road, Qingdao 266237, China.
| | - Changhu Xue
- College of Food Science and Engineering, Ocean University of China, 1299 Sansha Road, Qingdao 266404, China; Qingdao Marine Science and Technology Center, 1 Wenhai Road, Qingdao 266237, China
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40
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Bilici Geçer R, Zengin ÖS, Karip BZ, Boran T, Çikler E, Özhan G, Dursun D. Effects of coenzyme Q 10 on orthodontic tooth movement and alveolar bone remodeling in rats. Clin Oral Investig 2024; 28:486. [PMID: 39145807 DOI: 10.1007/s00784-024-05881-2] [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: 03/06/2024] [Accepted: 08/07/2024] [Indexed: 08/16/2024]
Abstract
OBJECTIVES To evaluate the effects of coenzyme Q10 (CoQ10) on alveolar bone remodeling and orthodontic tooth movement (OTM). MATERIALS AND METHODS An orthodontic appliance was placed in 42 female Sprague‒Dawley rats were divided into two groups: the orthodontic force (OF) group (n = 21) and the OF + CoQ10 (CoQ10) treatment group (n = 21). Each group was divided into 3 subgroups, and the rats were sacrificed on days 3, 7 and 14. The rats in CoQ10 and OF groups were administered 100 mg/kg b.w./day CoQ10 (in 1 mL/b.w. soybean oil) and 1 mL b.w./day soybean oil, respectively, by orogastric gavage. The OTM was measured at the end of the experiment. The osteoclast, osteoblast and capillary numbers; vascular endothelial growth factor (VEGF), receptor activator nuclear kappa B ligand (RANKL) and osteoprotegrin (OPG) levels in tissue; and total antioxidant status (TAS) and total oxidant status (TOS) in blood were determined. RESULTS Compared with the OF group, the CoQ10 treatment group exhibited decreased orthodontic tooth movement and osteoclast and capillary numbers. Indeed, the levels of VEGF and RANKL decreased, while the levels of OPG increased except on day 7. Additionally, the CoQ10 treatment group exhibited lower TOS and higher TAS on days 7 and 14 (p < 0.05). Histological findings showed that the morphology of osteoblasts changed in the CoQ10 group; however, there was no significant difference in the number of osteoblasts between the groups (p > 0.05). CONCLUSION Due to its effect on oxidative stress and inflammation, CoQ10 regulates bone remodeling by inhibiting osteoclast differentiation, promoting osteoblast differentiation and reducing the amount of OTM. CLINICAL RELEVANCE Considering that OTM may be slowed with the use of CoQ10, topics such as orthodontic treatment duration, orthodontic force activation and appointment frequency should be considered in treatment planning. It is predicted that the use of CoQ10 will support the effectiveness of treatment in clinical applications such as preventing relapse in orthodontic treatment by regulating bone modulation and anchorage methods that suppress/optimize unwanted tooth movement.
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Affiliation(s)
- Rumeysa Bilici Geçer
- Department of Orthodontics, Hamidiye Faculty of Dentistry, University of Health Sciences, Istanbul, Turkey
| | - Özge Sultan Zengin
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - Betül Zehra Karip
- Department of Histology and Embryology, Hamidiye Faculty of Medicine, University of Health Sciences, Istanbul, Turkey
| | - Tuğçe Boran
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Esra Çikler
- Department of Histology and Embryology, Hamidiye Faculty of Medicine, University of Health Sciences, Istanbul, Turkey
| | - Gül Özhan
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - Derya Dursun
- Department of Orthodontics, Hamidiye Faculty of Dentistry, University of Health Sciences, Istanbul, Turkey.
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Zhang S, Zhao Y, Lalsiamthara J, Peng Y, Qi L, Deng S, Wang Q. Current research progress on Prevotella intermedia and associated diseases. Crit Rev Microbiol 2024:1-18. [PMID: 39140115 DOI: 10.1080/1040841x.2024.2390594] [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: 12/23/2023] [Revised: 05/29/2024] [Accepted: 08/05/2024] [Indexed: 08/15/2024]
Abstract
Prevotella intermedia is a Gram-negative anaerobic bacterium that is a common pathogen of periodontitis. Recent studies have revealed that P. intermedia is closely associated with a variety of diseases involving multiple systems. Under the action of its virulence factors such as cysteine protease and adhesins, P. intermedia has the ability to bind and invade various host cells including gingival fibroblasts. It can also copolymerize a variety of pathogenic bacteria, leading to interference with the host's immune inflammatory response and causing various diseases. In this article, we review the progress of research on P. intermedia virulence factors and bacterial pathogenesis, and the correlation between P. intermedia and various diseases.
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Affiliation(s)
- Shuyang Zhang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
- Key Laboratory of Artificial Organs and Computational Medicine in Zhejiang Province, Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, Zhejiang, China
| | - Yuheng Zhao
- College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou, China
| | - Jonathan Lalsiamthara
- Molecular Microbiology & Immunology, School of Medicine, Oregon Health & Science University, Portland, Oregon, USA
| | - Yan Peng
- Key Laboratory of Green Cleaning Technology& Detergent of Zhejiang Province, Hangzhou, China
| | - Linlong Qi
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
- Key Laboratory of Artificial Organs and Computational Medicine in Zhejiang Province, Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, Zhejiang, China
| | - Shuli Deng
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou, China
| | - Qingjing Wang
- Key Laboratory of Artificial Organs and Computational Medicine in Zhejiang Province, Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, Zhejiang, China
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42
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Syx D, Malfait F. Pathogenic mechanisms in genetically defined Ehlers-Danlos syndromes. Trends Mol Med 2024:S1471-4914(24)00159-X. [PMID: 39147618 DOI: 10.1016/j.molmed.2024.06.001] [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: 02/14/2024] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 08/17/2024]
Abstract
The Ehlers-Danlos syndromes (EDS) are a group of rare heritable connective tissue disorders, common hallmarks of which are skin hyperextensibility, joint hypermobility, and generalized connective tissue fragility. Currently, 13 EDS types are recognized, caused by defects in 20 genes which consequently alter biosynthesis, organization, and/or supramolecular assembly of collagen fibrils in the extracellular matrix (ECM). Molecular analyses on patient samples (mostly dermal fibroblast cultures), combined with studies on animal models, have highlighted that part of EDS pathogenesis can be attributed to impaired cellular dynamics. Although our understanding of the full extent of (extra)cellular consequences is still limited, this narrative review aims to provide a comprehensive overview of our current knowledge on the extracellular, pericellular, and intracellular alterations implicated in EDS pathogenesis.
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Affiliation(s)
- Delfien Syx
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium; Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium
| | - Fransiska Malfait
- Department of Biomolecular Medicine, Ghent University, Ghent, Belgium; Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium.
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43
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Ye D, Liu Y, Li J, Zhou J, Cao J, Wu Y, Wang X, Fang Y, Ye X, Zou J, Ma Q. Competitive dynamics and balance between Streptococcus mutans and commensal streptococci in oral microecology. Crit Rev Microbiol 2024:1-12. [PMID: 39132685 DOI: 10.1080/1040841x.2024.2389386] [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: 03/22/2024] [Revised: 06/01/2024] [Accepted: 08/02/2024] [Indexed: 08/13/2024]
Abstract
Dental caries, as a biofilm-related disease, is closely linked to dysbiosis in microbial ecology within dental biofilms. Beyond its impact on oral health, bacteria within the oral cavity pose systemic health risks by potentially entering the bloodstream, thereby increasing susceptibility to bacterial endocarditis, among other related diseases. Streptococcus mutans, a principal cariogenic bacterium, possesses virulence factors crucial to the pathogenesis of dental caries. Its ability to adhere to tooth surfaces, produce glucans for biofilm formation, and metabolize sugars into lactic acid contributes to enamel demineralization and the initiation of carious lesions. Its aciduricity and ability to produce bacteriocins enable a competitive advantage, allowing it to thrive in acidic environments and dominate in changing oral microenvironments. In contrast, commensal streptococci, such as Streptococcus sanguinis, Streptococcus gordonii, and Streptococcus salivarius, act as primary colonizers and compete with S. mutans for adherence sites and nutrients during biofilm formation. This competition involves the production of alkali, peroxides, and antibacterial substances, thereby inhibiting S. mutans growth and maintaining microbial balance. This dynamic interaction influences the balance of oral microbiota, with disruptions leading to shifts in microbial composition that are marked by rapid increases in S. mutans abundance, contributing to the onset of dental caries. Thus, understanding the dynamic interactions between commensal and pathogenic bacteria in oral microecology is important for developing effective strategies to promote oral health and prevent dental caries. This review highlights the roles and competitive interactions of commensal bacteria and S. mutans in oral microecology, emphasizing the importance of maintaining oral microbial balance for health, and discusses the pathological implications of perturbations in this balance.
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Affiliation(s)
- Dingwei Ye
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yaqi Liu
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jing Li
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jing Zhou
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jingwei Cao
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yumeng Wu
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xinyue Wang
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yuwen Fang
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xingchen Ye
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jing Zou
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Qizhao Ma
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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44
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Hong R, Xie A, Jiang C, Guo Y, Zhang Y, Chen J, Shen X, Li M, Yue X. A review of the biological activities of lactoferrin: mechanisms and potential applications. Food Funct 2024; 15:8182-8199. [PMID: 39027924 DOI: 10.1039/d4fo02083a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Lactoferrin, a multifunctional iron-binding protein found in milk and other body fluids, possesses numerous biological activities. The functional activity of lactoferrin lies not only in its iron-binding capacity but also in the molecular mechanisms by which it can affect important chemical components in the host. However, the molecular mechanisms underlying these activities remain unelucidated. In this paper, we review the structure, properties, and contents of different lactoferrin milk sources. The different biological activities, namely antibacterial, antiviral, immunomodulatory, anti-inflammatory, bone regeneration, and improved metabolic disorder bioactivities, and the associated potential mechanisms of lactoferrin are summarized with the aim of providing a reference for the development of lactoferrin-related products.
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Affiliation(s)
- Ruiyao Hong
- College of Food Science, Shenyang Agricultural University, Shenyang, 110866, China.
| | - Aijun Xie
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 119077, Singapore
| | - Chengxi Jiang
- College of Food Science, Shenyang Agricultural University, Shenyang, 110866, China.
| | - Yangze Guo
- College of Food Science, Shenyang Agricultural University, Shenyang, 110866, China.
| | - Yumeng Zhang
- College of Food Science, Shenyang Agricultural University, Shenyang, 110866, China.
| | - Jiali Chen
- College of Food Science, Shenyang Agricultural University, Shenyang, 110866, China.
| | - Xinyu Shen
- College of Food Science, Shenyang Agricultural University, Shenyang, 110866, China.
| | - Mohan Li
- College of Food Science, Shenyang Agricultural University, Shenyang, 110866, China.
| | - Xiqing Yue
- College of Food Science, Shenyang Agricultural University, Shenyang, 110866, China.
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45
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Harano T, Asahara M. Evolution of tooth morphological complexity and its association with the position of tooth eruption in the jaw in non-mammalian synapsids. PeerJ 2024; 12:e17784. [PMID: 39148681 PMCID: PMC11326432 DOI: 10.7717/peerj.17784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 06/30/2024] [Indexed: 08/17/2024] Open
Abstract
Heterodonty and complex molar morphology are important characteristics of mammals acquired during the evolution of early mammals from non-mammalian synapsids. Some non-mammalian synapsids had only simple, unicuspid teeth, whereas others had complex, multicuspid teeth. In this study, we reconstructed the ancestral states of tooth morphological complexity across non-mammalian synapsids to show that morphologically complex teeth evolved independently multiple times within Therapsida and that secondary simplification of tooth morphology occurred in some non-mammalian Cynodontia. In some mammals, secondary evolution of simpler teeth from complex molars has been previously reported to correlate with an anterior shift of tooth eruption position in the jaw, as evaluated by the dentition position relative to the ends of component bones used as reference points in the upper jaw. Our phylogenetic comparative analyses showed a significant correlation between an increase in tooth complexity and a posterior shift in the dentition position relative to only one of the three specific ends of component bones that we used as reference points in the upper jaw of non-mammalian synapsids. The ends of component bones depend on the shape and relative area of each bone, which appear to vary considerably among the synapsid taxa. Quantification of the dentition position along the anteroposterior axis in the overall cranium showed suggestive evidence of a correlation between an increase in tooth complexity and a posterior shift in the dentition position among non-mammalian synapsids. This correlation supports the hypothesis that a posterior shift of tooth eruption position relative to the morphogenetic fields that determine tooth form have contributed to the evolution of morphologically complex teeth in non-mammalian synapsids, if the position in the cranium represents a certain point in the morphogenetic fields.
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Affiliation(s)
- Tomohiro Harano
- Division of Liberal Arts and Sciences, Aichi Gakuin University, Nisshin, Aichi, Japan
| | - Masakazu Asahara
- Division of Liberal Arts and Sciences, Aichi Gakuin University, Nisshin, Aichi, Japan
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46
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Capuano R, Ciotti M, Catini A, Bernardini S, Di Natale C. Clinical applications of volatilomic assays. Crit Rev Clin Lab Sci 2024:1-20. [PMID: 39129534 DOI: 10.1080/10408363.2024.2387038] [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: 03/14/2024] [Revised: 04/23/2024] [Accepted: 07/29/2024] [Indexed: 08/13/2024]
Abstract
The study of metabolomics is revealing immense potential for diagnosis, therapy monitoring, and understanding of pathogenesis processes. Volatilomics is a subcategory of metabolomics interested in the detection of molecules that are small enough to be released in the gas phase. Volatile compounds produced by cellular processes are released into the blood and lymph, and can reach the external environment through different pathways, such as the blood-air interface in the lung that are detected in breath, or the blood-water interface in the kidney that leads to volatile compounds detected in urine. Besides breath and urine, additional sources of volatile compounds such as saliva, blood, feces, and skin are available. Volatilomics traces its roots back over fifty years to the pioneering investigations in the 1970s. Despite extensive research, the field remains in its infancy, hindered by a lack of standardization despite ample experimental evidence. The proliferation of analytical instrumentations, sample preparations and methods of volatilome sampling still make it difficult to compare results from different studies and to establish a common standard approach to volatilomics. This review aims to provide an overview of volatilomics' diagnostic potential, focusing on two key technical aspects: sampling and analysis. Sampling poses a challenge due to the susceptibility of human samples to contamination and confounding factors from various sources like the environment and lifestyle. The discussion then delves into targeted and untargeted approaches in volatilomics. Some case studies are presented to exemplify the results obtained so far. Finally, the review concludes with a discussion on the necessary steps to fully integrate volatilomics into clinical practice.
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Affiliation(s)
- Rosamaria Capuano
- Department of Electronic Engineering, University of Rome Tor Vergata, Roma, Italy
- Interdepartmental Center for Volatilomics, "A. D'Amico", University of Rome Tor Vergata, Rome, Italy
| | - Marco Ciotti
- Department of Laboratory Medicine, University Hospital Tor Vergata, Rome, Italy
| | - Alexandro Catini
- Department of Electronic Engineering, University of Rome Tor Vergata, Roma, Italy
- Interdepartmental Center for Volatilomics, "A. D'Amico", University of Rome Tor Vergata, Rome, Italy
| | - Sergio Bernardini
- Interdepartmental Center for Volatilomics, "A. D'Amico", University of Rome Tor Vergata, Rome, Italy
- Department of Laboratory Medicine, University Hospital Tor Vergata, Rome, Italy
- Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Corrado Di Natale
- Department of Electronic Engineering, University of Rome Tor Vergata, Roma, Italy
- Interdepartmental Center for Volatilomics, "A. D'Amico", University of Rome Tor Vergata, Rome, Italy
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47
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Chen Z, Zhang J, Lee FY, Kyriakides TR. Bone-derived extracellular matrix hydrogel from thrombospondin-2 knock-out mice for bone repair. Acta Biomater 2024:S1742-7061(24)00455-0. [PMID: 39134130 DOI: 10.1016/j.actbio.2024.08.011] [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: 04/10/2024] [Revised: 08/03/2024] [Accepted: 08/07/2024] [Indexed: 08/26/2024]
Abstract
Bone extracellular matrix (ECM) has been shown to mimic aspects of the tissue's complex microenvironment, suggesting its potential role in promoting bone repair. However, current ECM-based therapies suffer from limitations such as inefficient scale-up, lack of mechanical integrity, and sub-optimal efficacy. Here, we fabricated hydrogels from decellularized ECM (dECM) from wild type (WT) and thrombospondin-2 knock-out (TSP2KO) mouse bones. TSP2KO bone ECM hydrogel was found to have distinct mechanical properties and collagen fibril assembly from WT. Furthermore, TSP2KO hydrogel promoted mesenchymal stem cell (MSC) attachment, spreading, and invasion in vitro. Similarly, it promoted formation of tube-like structures by human umbilical vein endothelial cells (HUVECs). When applied to a murine calvarial defect model, TSP2KO hydrogel enhanced repair, in part, due to increased angiogenesis. Our study suggests the pro-angiogenic therapeutic potential of TSP2KO bone ECM hydrogel in bone repair. STATEMENT OF SIGNIFICANCE: The study describes the first successful preparation of a novel hydrogel made from decellularized bones from wild-type mice and mice lacking thrombospondin-2 (TSP2). Hydrogels from TSP2 knock-out (TSP2KO) bones have unique characteristics in structure and biomechanics. These gels interacted well with cells in vitro and helped repair damaged bone in a mouse model. Therefore, TSP2KO bone-derived hydrogel has translational potential for accelerating repair of bone defects that are otherwise difficult to heal. This study not only creates a new material with promise for accelerated healing, but also validates tunability of native biomaterials by genetic engineering.
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Affiliation(s)
- Zhuoyue Chen
- Department of Pathology, Yale University, New Haven, CT 06519, USA; Vascular Biology and Therapeutics Program, Yale University, New Haven, CT 06519, USA
| | - Junqi Zhang
- Vascular Biology and Therapeutics Program, Yale University, New Haven, CT 06519, USA; Department of Biomedical Engineering, Yale University, New Haven, CT 06519, USA
| | - Francis Y Lee
- Department of Orthopaedics and Rehabilitation, Yale University, New Haven, CT 06519, USA
| | - Themis R Kyriakides
- Department of Pathology, Yale University, New Haven, CT 06519, USA; Vascular Biology and Therapeutics Program, Yale University, New Haven, CT 06519, USA; Department of Biomedical Engineering, Yale University, New Haven, CT 06519, USA.
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48
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Němec V, Remeš M, Beňovský P, Böck MC, Šranková E, Wong JF, Cros J, Williams E, Tse LH, Smil D, Ensan D, Isaac MB, Al-Awar R, Gomolková R, Ursachi VC, Fafílek B, Kahounová Z, Víchová R, Vacek O, Berger BT, Wells CI, Corona CR, Vasta JD, Robers MB, Krejci P, Souček K, Bullock AN, Knapp S, Paruch K. Discovery of Two Highly Selective Structurally Orthogonal Chemical Probes for Activin Receptor-like Kinases 1 and 2. J Med Chem 2024; 67:12632-12659. [PMID: 39023313 PMCID: PMC11320582 DOI: 10.1021/acs.jmedchem.4c00629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 07/04/2024] [Accepted: 07/05/2024] [Indexed: 07/20/2024]
Abstract
Activin receptor-like kinases 1-7 (ALK1-7) regulate a complex network of SMAD-independent as well as SMAD-dependent signaling pathways. One of the widely used inhibitors for functional investigations of these processes, in particular for bone morphogenetic protein (BMP) signaling, is LDN-193189. However, LDN-193189 has insufficient kinome-wide selectivity complicating its use in cellular target validation assays. Herein, we report the identification and comprehensive characterization of two chemically distinct highly selective inhibitors of ALK1 and ALK2, M4K2234 and MU1700, along with their negative controls. We show that both MU1700 and M4K2234 efficiently block the BMP pathway via selective in cellulo inhibition of ALK1/2 kinases and exhibit favorable in vivo profiles in mice. MU1700 is highly brain penetrant and shows remarkably high accumulation in the brain. These high-quality orthogonal chemical probes offer the selectivity required to become widely used tools for in vitro and in vivo investigation of BMP signaling.
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Affiliation(s)
- Václav Němec
- Institute
for Pharmaceutical Chemistry, Structural Genomics Consortium, Johann Wolfgang Goethe-University, Max-von-Laue-Strasse 9, Frankfurt am Main, 60438, Germany
- Department
of Chemistry, Masaryk University, Brno 625 00, Czech Republic
| | - Marek Remeš
- Department
of Chemistry, Masaryk University, Brno 625 00, Czech Republic
| | - Petr Beňovský
- Department
of Chemistry, Masaryk University, Brno 625 00, Czech Republic
| | - Michael C. Böck
- Department
of Chemistry, Masaryk University, Brno 625 00, Czech Republic
| | - Eliška Šranková
- Department
of Chemistry, Masaryk University, Brno 625 00, Czech Republic
| | - Jong Fu Wong
- Centre
for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, U.K.
| | - Julien Cros
- Centre
for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, U.K.
| | - Eleanor Williams
- Centre
for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, U.K.
| | - Lap Hang Tse
- Centre
for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, U.K.
| | - David Smil
- Drug
Discovery Program, Ontario Institute for
Cancer Research, 661 University Avenue, Toronto, Ontario M5G 0A3, Canada
| | - Deeba Ensan
- Drug
Discovery Program, Ontario Institute for
Cancer Research, 661 University Avenue, Toronto, Ontario M5G 0A3, Canada
| | - Methvin B. Isaac
- Drug
Discovery Program, Ontario Institute for
Cancer Research, 661 University Avenue, Toronto, Ontario M5G 0A3, Canada
| | - Rima Al-Awar
- Drug
Discovery Program, Ontario Institute for
Cancer Research, 661 University Avenue, Toronto, Ontario M5G 0A3, Canada
- Department
of Pharmacology and Toxicology, University
of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Regina Gomolková
- Department
of Biology, Faculty of Medicine, Masaryk
University, 625 00 Brno, Czech
Republic
- Institute
of Animal Physiology and Genetics of the Czech Academy of Sciences, 602 00 Brno, Czech Republic
| | - Vlad-Constantin Ursachi
- Department
of Biology, Faculty of Medicine, Masaryk
University, 625 00 Brno, Czech
Republic
- International
Clinical Research Center, St. Anne’s
University Hospital, 602
00 Brno, Czech Republic
| | - Bohumil Fafílek
- Department
of Biology, Faculty of Medicine, Masaryk
University, 625 00 Brno, Czech
Republic
- Institute
of Animal Physiology and Genetics of the Czech Academy of Sciences, 602 00 Brno, Czech Republic
- International
Clinical Research Center, St. Anne’s
University Hospital, 602
00 Brno, Czech Republic
| | - Zuzana Kahounová
- Institute
of Biophysics of the Czech Academy of Sciences, Královopolská 135, 612 00 Brno Czech Republic
| | - Ráchel Víchová
- Institute
of Biophysics of the Czech Academy of Sciences, Královopolská 135, 612 00 Brno Czech Republic
| | - Ondřej Vacek
- International
Clinical Research Center, St. Anne’s
University Hospital, 602
00 Brno, Czech Republic
- Institute
of Biophysics of the Czech Academy of Sciences, Královopolská 135, 612 00 Brno Czech Republic
| | - Benedict-Tilman Berger
- Institute
for Pharmaceutical Chemistry, Structural Genomics Consortium, Johann Wolfgang Goethe-University, Max-von-Laue-Strasse 9, Frankfurt am Main, 60438, Germany
| | - Carrow I. Wells
- Structural
Genomics Consortium, UNC Eshelman School of Pharmacy, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | | | - James D. Vasta
- Promega Corporation, Madison, Wisconsin 53716, United States
| | | | - Pavel Krejci
- Department
of Biology, Faculty of Medicine, Masaryk
University, 625 00 Brno, Czech
Republic
- Institute
of Animal Physiology and Genetics of the Czech Academy of Sciences, 602 00 Brno, Czech Republic
- International
Clinical Research Center, St. Anne’s
University Hospital, 602
00 Brno, Czech Republic
| | - Karel Souček
- International
Clinical Research Center, St. Anne’s
University Hospital, 602
00 Brno, Czech Republic
- Institute
of Biophysics of the Czech Academy of Sciences, Královopolská 135, 612 00 Brno Czech Republic
| | - Alex N. Bullock
- Centre
for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7FZ, U.K.
| | - Stefan Knapp
- Institute
for Pharmaceutical Chemistry, Structural Genomics Consortium, Johann Wolfgang Goethe-University, Max-von-Laue-Strasse 9, Frankfurt am Main, 60438, Germany
| | - Kamil Paruch
- Department
of Chemistry, Masaryk University, Brno 625 00, Czech Republic
- Institute
of Animal Physiology and Genetics of the Czech Academy of Sciences, 602 00 Brno, Czech Republic
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Panda B, Momin A, Devabattula G, Shrilekha C, Sharma A, Godugu C. Peptidyl arginine deiminase-4 inhibitor ameliorates pulmonary fibrosis through positive regulation of developmental endothelial locus-1. Int Immunopharmacol 2024; 140:112861. [PMID: 39106716 DOI: 10.1016/j.intimp.2024.112861] [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: 04/15/2024] [Revised: 07/12/2024] [Accepted: 07/31/2024] [Indexed: 08/09/2024]
Abstract
Recurring lung injury, chronic inflammation, aberrant tissue repair and impaired tissue remodelling contribute to the pathogenesis of pulmonary fibrosis (PF). Neutrophil extracellular traps (NETs) are released by activated neutrophils to trap, immobilise and kill invading pathogen and is facilitated by peptidyl arginine deiminase-4 (PAD-4). Dysregulated NETs release and abnormal PAD-4 activation plays a crucial role in activating pro-fibrotic events in PF. Developmental endothelial locus-1 (Del-1), expressed by the endothelial cells of lungs and brain acts as an endogenous inhibitor of inflammation and fibrosis. We have hypothesised that PAD-4 inhibitor exerts anti-inflammatory and anti-fibrotic effects in mice model of PF. We have also hypothesised by PAD-4 regulated the transcription of Del-1 through co-repression and its inhibition potentiates anti-fibrotic effects of Del-1. In our study, the PAD-4 inhibitor chloro-amidine (CLA) demonstrated anti-NETotic and anti-inflammatory effects in vitro in differentiated HL-60 cells. In a bleomycin-induced PF mice model, CLA administration in two doses (3 mg/kg, I.P and 10 mg/kg, I.P) improved lung function, normalized bronchoalveolar lavage fluid parameters, and attenuated fibrotic events, including markers of extracellular matrix and epithelial-mesenchymal transition. Histological analyses confirmed the restoration of lung architecture and collagen deposition with CLA treatment. ELISA, IHC, IF, RT-PCR, and immunoblot analysis supported the anti-NETotic effects of CLA. Furthermore, BLM-induced PF reduced Del-1 and p53 expression, which was normalized by CLA treatment. These findings suggest that inhibition of PAD-4 results in amelioration of PF in animal model and may involve modulation of Del-1 and p53 pathways, warranting further investigation.
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Affiliation(s)
- Biswajit Panda
- Department of Biological Sciences (Regulatory Toxicology), National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana 500037, India
| | - Alfiya Momin
- Department of Biological Sciences (Regulatory Toxicology), National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana 500037, India
| | - Geetanjali Devabattula
- Department of Biological Sciences (Regulatory Toxicology), National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana 500037, India
| | - Chilvery Shrilekha
- Department of Biological Sciences (Regulatory Toxicology), National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana 500037, India
| | - Anamika Sharma
- Department of Biological Sciences (Regulatory Toxicology), National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana 500037, India
| | - Chandraiah Godugu
- Department of Biological Sciences (Regulatory Toxicology), National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana 500037, India.
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50
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Cruz IDS, de Sena LMF, Fernandes EC, Moreno MC, Souza RODAE, Alves ACDM, Caldas SGFR, Simplício H. Effect of time and photoactivated face on bond strength of brackets and on degree of monomer conversion. Clin Oral Investig 2024; 28:465. [PMID: 39098966 DOI: 10.1007/s00784-024-05854-5] [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: 02/20/2024] [Accepted: 07/22/2024] [Indexed: 08/06/2024]
Abstract
OBJECTIVE To evaluate the effect of four different photoactivation protocols (according to "photoactivated faces" - mesial/distal, cervical/incisal or center - and "photoactivation time" - 6-3 s) of a high-power photo activator (Valo Cordless®-Ultradent) on the shear bond strength (SBS) between metal brackets and dental enamel and on the degree of conversion (DC) of an orthodontic resin. MATERIALS AND METHODS 40 bovine incisor crowns were randomly assigned to 4 groups (n = 10). The brackets were bonded with Transbond XT® resin using 4 protocols according to the "photoactivation protocol" factor (which was subdivided into photoactivated faces and photoactivation time): V3C = 3 s + center; V6C = 6 s + center; V3M3D = 3 s on mesial + 3 s on distal; V3C3I = 3 s on cervical + 3 s on incisal. All the samples were stored for 4 months (water,37ºC) and then subjected to a SBS test (100KgF,1 mm/min). 40 resin discs were made to evaluate the monomer degree of conversion. Data from the SBS and DC were assessed by One-way ANOVA and Tukey's test (5%). Bond failures were analyzed according to the Adhesive Remnant Index (ARI) and evaluated by the Kruskal-Wallis test (5%). RESULTS There was a statistically significant difference (p = 0.008) in the One-way ANOVA result for SBS values between all groups, but the protocols showed statistically similar results (p ≥ 0.05-Tukey's tests) concerning the photoactivated faces (V6C, V3M3D and V3C3I) and photoactivation time (V3C and V6C) factors individually. There was no statistically significant difference (p ≥ 0.05) in the One-way ANOVA result for DC values. CONCLUSION The SBS and DC values will vary depending on the protocol applied. CLINICAL RELEVANCE It is possible to maintain the bracket fixation quality with the use of a high-power LED photo activator associated with a shorter photoactivation time. However, it is assumed that not all types of protocols that might be applied will provide quality bonding, such as V3C, V3M3D and V3C3I, which may - depending on the SBS and DC values - affect the final treatment time, due to brackets debonding, or increase of possibility of damage to dental enamel during bracket removal. Clinical studies are suggested to confirm the hypotheses of this research.
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Affiliation(s)
| | | | - Eloisa Cesario Fernandes
- Graduate Program in Dental Sciences, Department of Dentistry, Federal University of Rio Grande do Norte - UFRN, Natal, RN, Brazil.
| | - Mariana Cabral Moreno
- Graduate Program in Dental Sciences, Department of Dentistry, Federal University of Rio Grande do Norte - UFRN, Natal, RN, Brazil
| | | | | | | | - Hallissa Simplício
- Department of Dentistry, Federal University of Rio Grande do Norte - UFRN, Natal, RN, Brazil
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