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Velez-León E, Pacheco-Quito EM, Díaz-Dosque M, Tobar-Almache D. Worldwide Variations in Fluoride Content in Beverages for Infants. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1896. [PMID: 38136098 PMCID: PMC10741400 DOI: 10.3390/children10121896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 11/22/2023] [Accepted: 11/30/2023] [Indexed: 12/24/2023]
Abstract
In situations where breastfeeding is impractical, milk formulas have emerged as the primary choice for infant nutrition. Numerous global studies have scrutinized the fluoride content in these formulas, uncovering fluctuations in fluoride levels directly associated with the method of preparation. This variability poses a potential risk of elevated fluoride concentrations and, consequently, an increased susceptibility to dental fluorosis in infants. The primary objective of this review is to intricately delineate the fluoride content in dairy formulas and emphasize the variability of these values concerning their reconstitution process. The review's findings reveal that, among the 17 studies assessing fluoride levels in infant formula, milk-based formulas exhibit a range of 0.01-0.92 ppm, with only two studies exceeding 1.30 ppm. Conversely, soy-based formulas demonstrate values ranging from 0.13-1.11 ppm. In conclusion, the observed variability in fluoride levels in infant formulas is ascribed to the choice of the water source employed in the preparation process. This underscores the paramount importance of meticulously adhering to recommendations and guidelines provided by healthcare professionals concerning the utilization of these formulas and their meticulous reconstitution.
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Affiliation(s)
- Eleonor Velez-León
- Unidad Académica de Salud y Bienestar, Facultad de Odontología, Universidad Católica de Cuenca, Cuenca 010105, Ecuador;
- Grupo de Investigación Innovación y Desarrollo Farmacéutico en Odontología, Facultad de Odontología, Jefatura de Investigación e Innovación, Universidad Católica de Cuenca, Cuenca 010105, Ecuador
- Latin American Network of Research on Fluorides and Dental Fluorosis, Cartagena 130009, Colombia; (M.D.-D.); (D.T.-A.)
| | - Edisson-Mauricio Pacheco-Quito
- Unidad Académica de Salud y Bienestar, Facultad de Odontología, Universidad Católica de Cuenca, Cuenca 010105, Ecuador;
- Grupo de Investigación Innovación y Desarrollo Farmacéutico en Odontología, Facultad de Odontología, Jefatura de Investigación e Innovación, Universidad Católica de Cuenca, Cuenca 010105, Ecuador
- Latin American Network of Research on Fluorides and Dental Fluorosis, Cartagena 130009, Colombia; (M.D.-D.); (D.T.-A.)
| | - Mario Díaz-Dosque
- Latin American Network of Research on Fluorides and Dental Fluorosis, Cartagena 130009, Colombia; (M.D.-D.); (D.T.-A.)
- Laboratory of Pharmacology, Institute for Research in Dental Sciences (ICOD), Faculty of Dentistry, University of Chile, Olivos 943, Independencia, Santiago 8380544, Chile
| | - Daniela Tobar-Almache
- Latin American Network of Research on Fluorides and Dental Fluorosis, Cartagena 130009, Colombia; (M.D.-D.); (D.T.-A.)
- Laboratory of Pharmacology, Institute for Research in Dental Sciences (ICOD), Faculty of Dentistry, University of Chile, Olivos 943, Independencia, Santiago 8380544, Chile
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Yu Y, Xu J, Li H, Lv J, Zhang Y, Niu R, Wang J, Zhao Y, Sun Z. α-Lipoic acid improves mitochondrial biogenesis and dynamics by enhancing antioxidant and inhibiting Wnt/Ca 2+ pathway to relieve fluoride-induced hepatotoxic injury. Chem Biol Interact 2023; 385:110719. [PMID: 37739047 DOI: 10.1016/j.cbi.2023.110719] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/30/2023] [Accepted: 09/18/2023] [Indexed: 09/24/2023]
Abstract
Fluoride (F), widely present in water and food, poses a serious threat to liver health, and oxidative damage and mitochondrial damage are its main causes. As a natural mitochondrial protector and antioxidant, α-lipoic acid (ALA)'s alleviating effect on fluorosis liver injury and its underlying mechanism are still unclear. Therefore, this study established a fluorosis ALA intervention mice model to explore the mechanism of mitochondrial biogenesis, mitochondrial dynamics, and Wnt/Ca2+ pathway in ALA attenuating fluorosis liver injury. The results showed that ALA mitigated F-induced weight loss, hepatic structural and functional damage, hepatocytes mitochondrial damage, and decreased antioxidant levels. However, ALA did not reduce F accumulation in the femur. Further mRNA and protein detection results showed that F increased the expression levels of key genes in the mitochondrial fission (Drp1, Mff, and Fis1), mitophagy (Parkin, Pink1, and Prdx3), Wnt/Ca2+ pathway (Wnt5a and CaMK2), and rised the number and intensity of fluorescent spots of Drp1, but decreased the expression levels of key genes in the mitochondrial biogenesis (Sirt1, Sirt3, and PGC-1α) and fusion (OPA1, Mfn2, and Mfn1), and reduced the number and intensity of fluorescent spots of PGC-1α in the liver. However, the intervention of ALA relieved the F-induced changes in the expressions of the above genes. In conclusion, ALA mitigated F-induced hepatic injury through enhancing antioxidant capacity and inhibiting Wnt/Ca2+ pathway to improve mitochondrial biogenesis and dynamics disturbance. This study further reveals the hepatotoxic mechanism of F and the protective mechanism of ALA, and provides a theoretical basis for ALA as a potential preventive and palliative agent for F-induced hepatotoxic injury.
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Affiliation(s)
- Yanghuan Yu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Jipeng Xu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Hao Li
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Jia Lv
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Yaqin Zhang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Ruiyan Niu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Jundong Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China
| | - Yangfei Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China.
| | - Zilong Sun
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi, 030801, China.
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Satti AS, Muppa R, Kotha RS, Koya S, Kantipudi MJN, Harika CDS. A comparative evaluation of the fluoride content in commercially available infant formulae in India: An in vitro study. J Indian Soc Pedod Prev Dent 2023; 41:328-334. [PMID: 38235820 DOI: 10.4103/jisppd.jisppd_462_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 11/30/2023] [Indexed: 01/19/2024] Open
Abstract
CONTEXT The most critical period for enamel fluorosis to develop is during the early years of life when enamel formation occurs. To minimize the risk of dental fluorosis development, monitoring fluoride intake during teeth development has been suggested. As infant formulae are major source of nutrition in infants, it is important to determine the fluoride content in them in order to monitor the fluoride intake in infants. AIMS To estimate and comparatively evaluate the fluoride content in different commercially available infant formulae in India. METHODOLOGY A total of 16 commercially available infant formulae were collected from local pharma/grocery stores, in which 14 were milk based (Group M) and 2 were soy based (Group S). Fluoride content of the formulae was evaluated using ORION F selective electrode. STATISTICAL ANALYSIS USED ANOVA test, t-test. RESULTS The mean F values for groups M and S were found to be 0.031 and 0.07 ppm, respectively. Fluoride content of milk-based formulae was significantly lesser (P < 0.001) than soy-based formulae. Daily fluoride intake through the tested formulae was in the range of 0.013 mg and 0.105 mg when calculated following the manufacturer's preparation guidelines. CONCLUSIONS Infant formulae alone were unlikely to be a risk factor for dental fluorosis, but when reconstituted with optimally fluoridated water, they can be a risk factor for the development of dental fluorosis.
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Affiliation(s)
- Asha Supriya Satti
- Department of Pediatrics and Preventive Dentistry, SIBAR Institute of Dental Sciences, Guntur, Andhra Pradesh, India
| | - Radhika Muppa
- Department of Pediatrics and Preventive Dentistry, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Krishna, Andhra Pradesh, India
| | - Ravichandra Sekhar Kotha
- Department of Pediatrics and Preventive Dentistry, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Krishna, Andhra Pradesh, India
| | - Srikanth Koya
- Department of Pediatrics and Preventive Dentistry, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Krishna, Andhra Pradesh, India
| | - Mrudhula J N Kantipudi
- Department of Pediatrics and Preventive Dentistry, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Krishna, Andhra Pradesh, India
| | - Ch Deepthi Siva Harika
- Department of Pediatrics and Preventive Dentistry, Drs Sudha and Nageswara Rao Siddhartha Institute of Dental Sciences, Krishna, Andhra Pradesh, India
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