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Wang W, Zhang J, Li Y, Su S, Wei L, Li L, Hu R. Lactoferrin alleviates chronic low‑grade inflammation response in obese mice by regulating intestinal flora. Mol Med Rep 2024; 30:138. [PMID: 38873986 PMCID: PMC11200051 DOI: 10.3892/mmr.2024.13262] [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: 11/09/2023] [Accepted: 03/21/2024] [Indexed: 06/15/2024] Open
Abstract
Chronic low‑grade inflammation defines obesity as a metabolic disorder. Alterations in the structure of gut flora are strongly associated with obesity. Lactoferrin (LF) has a biological function in regulating intestinal flora. The present study aimed to investigate the therapeutic and anti‑-inflammatory effects of LF in obese mice based on intestinal flora. A total of 30 C57BL/6 mice were divided into three groups consisting of 10 mice each. Subsequently, one group was fed a normal diet (Group K), another group was fed a high‑fat diet (Group M) and the remaining group switched from regular drinking to drinking 2% LF water (Group Z2) after 2 weeks of high‑fat diet; all mice were fed for 12 weeks. After the experiment, the mouse blood lipid and lipopolysaccharide levels, levels of inflammatory factors and intestinal tight junction proteins were assessed. Mouse stool samples were analyzed using 16S ribosomal RNA sequencing. The results showed that LF reduced serum total cholesterol, triglycerides and low‑density lipoprotein levels, elevated high‑density lipoprotein levels, suppressed metabolic endotoxemia and attenuated chronic low‑grade inflammatory responses in obese mice. In addition, LF upregulated zonula occludens‑1 and occludin protein expression levels in the intestine, thereby improving intestinal barrier integrity. LF altered the intestinal microbial structure of obese mice, reduced the ratio of Firmicutes and an elevated ratio of Bacteroidota, modifying the bacterial population to the increased relative abundance of Alistipes, Acidobacteriota, Psychrobacter and Bryobacter.
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Affiliation(s)
- Wuji Wang
- Basic Medical College, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010100, P.R. China
| | - Jing Zhang
- Basic Medical College, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010100, P.R. China
| | - Yanyi Li
- Nursing College, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010100, P.R. China
| | - Si Su
- Mongolian Medicine College, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010100, P.R. China
| | - Lisi Wei
- Mongolian Medicine College, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010100, P.R. China
| | - Li Li
- Basic Medical College, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010100, P.R. China
| | - Rilebagen Hu
- Mongolian Medicine College, Inner Mongolia Medical University, Hohhot, Inner Mongolia Autonomous Region 010100, P.R. China
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Farkaš V, Beletić A, Kuleš J, Thomas FC, Rešetar Maslov D, Rubić I, Benić M, Bačić G, Mačešić N, Jović I, Eraghi V, Gelemanović A, Eckersall D, Mrljak V. Biomarkers for subclinical bovine mastitis: a high throughput TMT-based proteomic investigation. Vet Res Commun 2024; 48:2069-2082. [PMID: 38913241 DOI: 10.1007/s11259-024-10442-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 06/17/2024] [Indexed: 06/25/2024]
Abstract
Mastitis represents the biggest threat to the health and productivity of dairy cows, leading to substantial economic losses in milk production. It manifests in two forms: clinical mastitis, easily diagnosed by visible symptoms, and subclinical mastitis (SCM), which lacks overt clinical signs. SCM's elusive nature often results in it going undetected, thus facilitating the spread of the disease-causing agent due to lack of treatment. Finding a reliable biomarker for early SCM would reduce the possibility of mastitis spreading in the herd, reduce the need for antibiotic use and ultimately reduce milk losses for producers. Utilizing state-of-the-art proteomics techniques, 138 milk samples from dairy cows in continental Croatia underwent analysis. These samples were categorized into four groups based on the Zagreb Mastitis Test (ZMT) and microbiological analysis: lowSCC- (n = 20), lowSCC + (n = 20), medSCC + (n = 79), and highSCC + (n = 19). A total of 386 proteins were identified and quantified, with 76 proteins showing significant differential abundances among the groups. Many of these proteins are linked to the innate immune system, as well as neutrophil and platelet degranulation processes. Through fold changes observed between groups, 15 proteins exhibiting biomarker characteristics for subclinical mastitis (SCM) were identified. Among these, five proteins-cathelicidins (-1, -4, and -7), lactoferrin, and haptoglobin-showed particular promise.
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Affiliation(s)
- Vladimir Farkaš
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia.
| | - Anđelo Beletić
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
- Genos Glycoscience Research Laboratory, Zagreb, Croatia
| | - Josipa Kuleš
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
- Department of Chemistry and Biochemistry, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Funmilola Clara Thomas
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Dina Rešetar Maslov
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ivana Rubić
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Miroslav Benić
- Department for Bacteriology and Parasitology, Croatian Veterinary Institute Zagreb, Zagreb, Croatia
| | - Goran Bačić
- Reproduction and Obstetrics Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Nino Mačešić
- Reproduction and Obstetrics Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ines Jović
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Vida Eraghi
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | | | - David Eckersall
- School of Bioaffiliationersity, One Health & Veterinary Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
- Interdisciplinary Laboratory of Clinical Analysis of the University of Murcia (Interlab-UMU), Department of Animal Medicine and Surgery, Veterinary School, University of Murcia, Murcia, Spain
| | - Vladimir Mrljak
- Laboratory of Proteomics, Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
- Internal Diseases Clinic, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
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Abd El Monsef AG, El Zohairy NF, Hassan MF, Salem SM, Gouda AA, Mansour MK, Alkhaldi AAM, Alzaylaee H, Elmahallawy EK. Effects of prebiotic (lactoferrin) and diclazuril on broiler chickens experimentally infected with Eimeria tenella. Front Vet Sci 2024; 11:1416459. [PMID: 39036795 PMCID: PMC11258017 DOI: 10.3389/fvets.2024.1416459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Accepted: 06/24/2024] [Indexed: 07/23/2024] Open
Abstract
Introduction Avian coccidiosis presents a significant challenge to the poultry industry in Egypt, highlighting the urgent need for validating new drug targets offering promising prospects for the development of advanced anticoccidials. Although numerous reports highlight the activity of lactoferrin (LF) against various microorganisms, its potential against Eimeria has not been explored. The present study evaluated the potential anticoccidial effect of LF and diclazuril in broiler chickens experimentally infected with Eimeria tenella. Methods A total of 100 one-day-old broiler chicks were divided into five equal groups (20 each) as follows: Group 1 (G1) served as the normal healthy control group, Group 2 (G2) consisted of chickens infected with 1 × 105 sporulated E. tenella oocysts at 14 days of age, Group 3 (G3) comprised infected chickens treated with diclazuril (0.5 mL/L in drinking water) for 3 days successively, Group 4 (G4) included infected chickens treated with LF (at a dose of 250 mg/kg of diet) from one day of age until the end of the study, and Group 5 (G5) comprised infected chickens treated with both LF and diclazuril. Results The positive control group (G2) experienced significant reductions in body weight (BW), BW gain, serum glucose, lipase, amylase, total antioxidant capacity, several hematological indices, and total proteins, along with alterations in various antioxidant enzymes. Conversely, serum levels of aspartate aminotransferase (AST), Alanine aminotransferase (ALT), Alkaline phosphatases (ALP), urea, creatinine, nitric oxide, mean corpuscular volume (MCV), White blood cells (WBCs), heterophils, alpha 2, beta 1, and liver contents of malondialdehyde were elevated in this group. Moreover, higher oocyst counts and lesion scores, along with histopathological alterations, were observed in G2. Remarkably, treatment with diclazuril and/or LF demonstrated potent antioxidant and anticoccidial effects, resulting in reduced shedding of oocysts, lesion scores, and lymphocytic infiltrates in the cecum. Additionally, these treatments improved the antioxidant and immune systems in chickens and restored all histopathological changes reported in the infected non-treated group (G2). Conclusion This study offers novel perspectives on the potential anticoccidial effects of the combination of LF and diclazuril in broiler chickens infected with E. tenella, highlighting the potential synergistic actions of LF in treating poultry coccidiosis.
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Affiliation(s)
- Asmaa G. Abd El Monsef
- Department of Biochemistry, Toxicology and Feed Deficiency, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Zagazig Branch, Zagazig, Egypt
| | - Nermin F. El Zohairy
- Department of Biochemistry, Toxicology and Feed Deficiency, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Zagazig Branch, Zagazig, Egypt
| | - Marwa F. Hassan
- Department of Biochemistry, Toxicology and Feed Deficiency, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Dokki, Giza, Egypt
| | - Sanaa M. Salem
- Department of Pathology, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Zagazig Branch, Zagazig, Egypt
| | - Asmaa Aboelabbas Gouda
- Department of Parasitology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Mogda K. Mansour
- Department of Biochemistry, Toxicology and Feed Deficiency, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Dokki, Giza, Egypt
| | | | - Hind Alzaylaee
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Ehab Kotb Elmahallawy
- Departamento de Sanidad Animal, Grupo de Investigación en Sanidad Animal y Zoonosis (GISAZ), Universidad de Córdoba, Córdoba, Spain
- Department of Zoonoses, Faculty of Veterinary Medicine, Sohag University, Sohag, Egypt
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Dong H, Wang W, Chen Q, Chang X, Wang L, Chen S, Chen L, Wang R, Ge S, Xiong W. Effects of Lactoferrin and Lactobacillus Supplementation on Immune Function, Oxidative Stress, and Gut Microbiota in Kittens. Animals (Basel) 2024; 14:1949. [PMID: 38998061 PMCID: PMC11240779 DOI: 10.3390/ani14131949] [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: 06/06/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/14/2024] Open
Abstract
Immune deficiency is a prevalent issue among kittens, severely threatening their health and development by increasing susceptibility to infections and diseases. This study investigates the effects of dietary supplements containing lactoferrin and Lactobacillus plantarum (L. plantarum) on the immune function, intestinal health, and microbiota composition of kittens. The results demonstrate that these supplements significantly enhance immune responses, with immunoglobulin A (IgA) levels increasing by 14.9% and IgG levels by 14.2%. Additionally, there was a notable 28.7% increase in catalase activity, indicating a reduction in oxidative stress. Gastrointestinal (GI) health improved markedly, evidenced by increased populations of beneficial bacteria such as Lactobacillus, which rose from 4.13% to 79.03% over the study period. The DNC group also showed significant reductions in pro-inflammatory cytokines, including decreases of 13.94% in IL-2, 26.46% in TNF-α, and 19.45% in IFN-γ levels. Furthermore, improvements in physical conditions were observed, including enhanced coat condition and mental status. These findings underline the potential of lactoferrin and L. plantarum as effective dietary interventions to improve kitten health, thereby reducing dependency on antibiotics and mitigating associated risks. This research provides a scientific foundation for optimizing nutritional management practices to enhance the overall vitality of kittens during their critical growth phases.
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Affiliation(s)
- Hao Dong
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Weiwei Wang
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
- Henan Zhiyuan Henuo Technology Co., Ltd., Luohe 462300, China;
| | - Qianqian Chen
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Xiaohan Chang
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Longjiao Wang
- Henan Zhiyuan Henuo Technology Co., Ltd., Luohe 462300, China;
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.W.); (S.G.)
| | - Shuxing Chen
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Lishui Chen
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
| | - Ran Wang
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.W.); (S.G.)
| | - Shaoyang Ge
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China; (R.W.); (S.G.)
| | - Wei Xiong
- Food Laboratory of Zhongyuan, Luohe 462300, China; (H.D.); (W.W.); (Q.C.); (X.C.); (S.C.); (L.C.)
- Henan Zhiyuan Henuo Technology Co., Ltd., Luohe 462300, China;
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Li B, Zhang B, Zhang F, Liu X, Zhang Y, Peng W, Teng D, Mao R, Yang N, Hao Y, Wang J. Interaction between Dietary Lactoferrin and Gut Microbiota in Host Health. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:7596-7606. [PMID: 38557058 DOI: 10.1021/acs.jafc.3c09050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The gut microbiota are known to play an important role in host health and disease. Alterations in the gut microbiota composition can disrupt the stability of the gut ecosystem, which may result in noncommunicable chronic diseases (NCCDs). Remodeling the gut microbiota through personalized nutrition is a novel therapeutic avenue for both disease control and prevention. However, whether there are commonly used gut microbiota-targeted diets and how gut microbiota-diet interactions combat NCCDs and improve health remain questions to be addressed. Lactoferrin (LF), which is broadly used in dietary supplements, acts not only as an antimicrobial in the defense against enteropathogenic bacteria but also as a prebiotic to propagate certain probiotics. Thus, LF-induced gut microbiota alterations can be harnessed to induce changes in host physiology, and the underpinnings of their relationships and mechanisms are beginning to unravel in studies involving humans and animal models.
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Affiliation(s)
- Bing Li
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Bo Zhang
- International Joint Research Laboratory for Biomedical Nanomaterials of Henan, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Fuli Zhang
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Xiaomeng Liu
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Yunxia Zhang
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Weifeng Peng
- Institute of Translational Medicine, College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou 466001, Henan, PR China
| | - Da Teng
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
| | - Ruoyu Mao
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
| | - Na Yang
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
| | - Ya Hao
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
| | - Jianhua Wang
- Gene Engineering Lab, Feed Research Institute, Chinese Academy of Agricultural Science, Beijing 100081, P. R. China
- Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, Beijing 100081, P. R. China
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Liu K, Chen Z, Hu W, He B, Xu D, Guo Y, Wang H. Intrauterine developmental origin, programming mechanism, and prevention strategy of fetal-originated hypercholesterolemia. Obes Rev 2024; 25:e13672. [PMID: 38069529 DOI: 10.1111/obr.13672] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/30/2023] [Accepted: 11/05/2023] [Indexed: 02/28/2024]
Abstract
There is increasing evidence that hypercholesterolemia has an intrauterine developmental origin. However, the pathogenesis of fetal-originated is still lacking in a theoretical system, which makes its clinical early prevention and treatment difficult. It has been found that an adverse environment during pregnancy (e.g., xenobiotic exposure) may lead to changes in fetal blood cholesterol levels through changing maternal cholesterol metabolic function and/or placental cholesterol transport function and may also directly affect the liver cholesterol metabolic function of the offspring in utero and continue after birth. Adverse environmental conditions during pregnancy may also raise maternal glucocorticoid levels and promote the placental glucocorticoid barrier opening, leading to fetal overexposure to maternal glucocorticoids. Intrauterine high-glucocorticoid exposure can alter the liver cholesterol metabolism of offspring, resulting in an increased susceptibility to hypercholesterolemia after birth. Abnormal epigenetic modifications are involved in the intrauterine programming mechanism of fetal-originated hypercholesterolemia. Some interventions targeted at pregnant mothers or offspring in early life have been proposed to effectively prevent and treat the development of fetal-originated hypercholesterolemia. In this paper, the recent research progress on fetal-originated hypercholesterolemia was reviewed, with emphasis on intrauterine maternal glucocorticoid programming mechanisms, in order to provide a theoretical basis for its early clinical warning, prevention, and treatment.
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Affiliation(s)
- Kexin Liu
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, China
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Ze Chen
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Wen Hu
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Bo He
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, China
| | - Dan Xu
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, China
| | - Yu Guo
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, China
| | - Hui Wang
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan, China
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Ma L, Zhu Y, Zhu La ALT, Lourenco JM, Callaway TR, Bu D. Schizochytrium sp. and lactoferrin supplementation alleviates Escherichia coli K99-induced diarrhea in preweaning dairy calves. J Dairy Sci 2024; 107:1603-1619. [PMID: 37769949 DOI: 10.3168/jds.2023-23466] [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: 03/07/2023] [Accepted: 09/04/2023] [Indexed: 10/03/2023]
Abstract
Calf diarrhea, a common disease mainly induced by Escherichia coli infection, is one of the main reasons for nonpredator losses. Hence, an effective nonantibacterial approach to prevent calf diarrhea has become an emerging requirement. This study evaluated the microalgae Schizochytrium sp. (SZ) and lactoferrin (LF) as a nutrient intervention approach against E. coli O101:K99-induced preweaning calve diarrhea. Fifty 1-d-old male Holstein calves were randomly divided into 5 groups (n = 10): (1) control, (2) blank (no supplement or challenge), (3) 1 g/d LF, (4) 20 g/d SZ, or (5) 1 g/d LF plus 20 g/d SZ (LFSZ). The experimental period lasted 14 d. On the morning of d 7, calves were challenged with 1 × 1011 cfu of E. coli O101:K99, and rectum feces were collected on 3, 12, 24, and 168 h postchallenge for the control, LF, SZ, and LFSZ groups. The rectal feces of the blank group were collected on d 14. Data were analyzed using the mixed procedure of SAS (version 9.4; SAS Institute Inc.). The E. coli K99 challenge decreased the average daily gain (ADG) and increased feed-to-gain ratio (F:G) and diarrhea frequency (control vs. blank). Compared with the control group, the LFSZ group had a higher ADG and lower F:G, and the LFSZ and SZ groups had lower diarrhea frequency compared with the control group. In addition, the LFSZ and SZ groups have no differences in diarrhea frequency compared with the blank group. Compared with the control group, the blank group had lower serum nitric oxide (NO), endothelin-1, d-lactic acid (D-LA), and lipopolysaccharide (LPS) concentrations, as well as serum IgG, IL-1β, IL-6, IL-10, and TNF-α levels on d 7 and 14. On d 7, compared with the control group, all treatment groups had lower serum NO level, the SZ group had a lower serum D-LA concentration, and the LF and LFSZ groups had lower serum LPS concentration. On d 14, compared with the control group, the fecal microbiota of the blank group had lower Shannon, Simpson, Chao1, and ACE indexes, the LFSZ group had lower Shannon and Simpson indexes, the SZ and LFSZ groups had a higher Chao1 index, and all treatment groups had a higher ACE index. In fecal microbiota, Bifidobacterium and Actinobacteria were negatively associated with IL-10 and d-lactate, while Akkermansia was negatively associated with endothelin-1 and positively correlated with LPS, fecal scores, and d-lactate levels. Our results indicated that LF and SZ supplements could alleviate E. coli O101:K99-induced calf diarrhea individually or in combination. Supplementing 1 g/d LF and 20 g/d SZ could be a potential nutrient intervention approach to prevent bacterial diarrhea in calves.
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Affiliation(s)
- Lu Ma
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yingkun Zhu
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; School of Agriculture & Food Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - A La Teng Zhu La
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - J M Lourenco
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - T R Callaway
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602
| | - Dengpan Bu
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China; CAAS-ICRAF Joint Lab on Agroforestry and Sustainable Animal Husbandry, World Agroforestry Centre, East and Central Asia, Beijing 100193, China.
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8
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Liu Z, Qin X, Nong K, Fang X, Zhang B, Chen W, Wang Z, Wu Y, Shi H, Wang X, Zhang H. Oral administration of LfcinB alleviates DSS-induced colitis by improving the intestinal barrier and microbiota. Food Funct 2024; 15:2038-2051. [PMID: 38293816 DOI: 10.1039/d3fo05236b] [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: 02/01/2024]
Abstract
Ulcerative colitis (UC) is a kind of inflammatory bowel disease (IBD) that often recurs and is difficult to cure, and no drugs with few side effects are available to treat this disease. LfcinB is a small molecular peptide obtained by the hydrolysis of bovine lactoferrin in the digestive tract of animals. It has strong antibacterial and anti-inflammatory activities. However, direct evidence that LfcinB improves the condition of colitis in mice is rarely reported. In this study, UC was induced in mice by adding 2.5% dextran sulfate (DSS) to drinking water and LfcinB was orally administered. The results showed that oral administration of LfcinB improved colonic tissue damage and inflammatory cell infiltration, increased the expression of tight junction proteins, and down-regulated the phosphorylation of proteins related to the NF-κB/MAPK inflammatory signalling pathway in mice. It also significantly suppressed the relative abundance of potentially pathogenic bacteria (Bacteroides, Barnesiella and Escherichia) in the intestinal flora. In conclusion, oral administration of LfcinB significantly alleviated DSS-induced UC. This may be related to the regulation of inflammatory signalling pathways and gut microbial composition by LfcinB.
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Affiliation(s)
- Zhineng Liu
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Xinyun Qin
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Keyi Nong
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Xin Fang
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Bin Zhang
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Wanyan Chen
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Zihan Wang
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Yijia Wu
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Huiyu Shi
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Xuemei Wang
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
| | - Haiwen Zhang
- College of Tropical Agriculture and Forestry, Hainan University, Danzhou 571737, China.
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Hamed NS, Mbye M, Ayyash M, Ulusoy BH, Kamal-Eldin A. Camel Milk: Antimicrobial Agents, Fermented Products, and Shelf Life. Foods 2024; 13:381. [PMID: 38338516 PMCID: PMC10855775 DOI: 10.3390/foods13030381] [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] [Revised: 01/08/2024] [Accepted: 01/16/2024] [Indexed: 02/12/2024] Open
Abstract
The camel milk (CM) industry has witnessed a notable expansion in recent years. This expansion is primarily driven by the rising demand for CM and its fermented products. The perceived health and nutritional benefits of these products are mainly responsible for their increasing popularity. The composition of CM can vary significantly due to various factors, including the breed of the camel, its age, the stage of lactation, region, and season. CM contains several beneficial substances, including antimicrobial agents, such as lactoferrin, lysozyme, immunoglobulin G, lactoperoxidase, and N-acetyl-D-glucosaminidase, which protect it from contamination by spoilage and pathogenic bacteria, and contribute to its longer shelf life compared to bovine milk (BM). Nevertheless, certain harmful bacteria, such as Listeria monocytogenes, Yersinia enterocolitica, and Escherichia coli, have been detected in CM, which is a significant public health concern. Therefore, it is crucial to understand and monitor the microbial profile of CM and follow good manufacturing practices to guarantee its safety and quality. This review article explores various aspects of CM, including the types of beneficial and harmful bacteria present in it, the composition of the milk, its antimicrobial properties, its shelf life, and the production of fermented CM products.
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Affiliation(s)
- Nejat Shifamussa Hamed
- Department of Food Science, College of Food and Agriculture, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (N.S.H.); (M.M.); (M.A.)
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Near East University, Nicosia 99138, Cyprus;
| | - Mustapha Mbye
- Department of Food Science, College of Food and Agriculture, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (N.S.H.); (M.M.); (M.A.)
| | - Mutamed Ayyash
- Department of Food Science, College of Food and Agriculture, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (N.S.H.); (M.M.); (M.A.)
| | - Beyza Hatice Ulusoy
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, Near East University, Nicosia 99138, Cyprus;
| | - Afaf Kamal-Eldin
- Department of Food Science, College of Food and Agriculture, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (N.S.H.); (M.M.); (M.A.)
- National Water and Energy Center, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
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10
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Peña-Juárez MC, Guadarrama-Escobar OR, Serrano-Castañeda P, Méndez-Albores A, Vázquez-Durán A, Vera-Graziano R, Rodríguez-Pérez B, Salgado-Machuca M, Anguiano-Almazán E, Morales-Florido MI, Rodríguez-Cruz IM, Escobar-Chávez JJ. Synergistic Effect of Retinoic Acid and Lactoferrin in the Maintenance of Gut Homeostasis. Biomolecules 2024; 14:78. [PMID: 38254678 PMCID: PMC10813542 DOI: 10.3390/biom14010078] [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: 11/22/2023] [Revised: 12/26/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024] Open
Abstract
Lactoferrin (LF) is a glycoprotein that binds to iron ions (Fe2+) and other metallic ions, such as Mg2+, Zn2+, and Cu2+, and has antibacterial and immunomodulatory properties. The antibacterial properties of LF are due to its ability to sequester iron. The immunomodulatory capability of LF promotes homeostasis in the enteric environment, acting directly on the beneficial microbiota. LF can modulate antigen-presenting cell (APC) biology, including migration and cell activation. Nonetheless, some gut microbiota strains produce toxic metabolites, and APCs are responsible for initiating the process that inhibits the inflammatory response against them. Thus, eliminating harmful strains lowers the risk of inducing chronic inflammation, and consequently, metabolic disease, which can progress to type 2 diabetes mellitus (T2DM). LF and retinoic acid (RA) exhibit immunomodulatory properties such as decreasing cytokine production, thus modifying the inflammatory response. Their activities have been observed both in vitro and in vivo. The combined, simultaneous effect of these molecules has not been studied; however, the synergistic effect of LF and RA may be employed for enhancing the secretion of humoral factors, such as IgA. We speculate that the combination of LF and RA could be a potential prophylactic alternative for the treatment of metabolic dysregulations such as T2DM. The present review focuses on the importance of a healthy diet for a balanced gut and describes how probiotics and prebiotics with immunomodulatory activity as well as inductors of differentiation and cell proliferation could be acquired directly from the diet or indirectly through the oral administration of formulations aimed to maintain gut health or restore a eubiotic state in an intestinal environment that has been dysregulated by external factors such as stress and a high-fat diet.
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Affiliation(s)
- Ma. Concepción Peña-Juárez
- Unidad de Investigación Multidisciplinaria Lab-12 (Sistemas Transdérmicos y Materiales Nanoestructurados), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Carretera Cuautitlán Teoloyucan, Km 2.5, San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico; (M.C.P.-J.); (O.R.G.-E.); (P.S.-C.); (M.S.-M.); (E.A.-A.); (M.I.M.-F.)
| | - Omar Rodrigo Guadarrama-Escobar
- Unidad de Investigación Multidisciplinaria Lab-12 (Sistemas Transdérmicos y Materiales Nanoestructurados), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Carretera Cuautitlán Teoloyucan, Km 2.5, San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico; (M.C.P.-J.); (O.R.G.-E.); (P.S.-C.); (M.S.-M.); (E.A.-A.); (M.I.M.-F.)
| | - Pablo Serrano-Castañeda
- Unidad de Investigación Multidisciplinaria Lab-12 (Sistemas Transdérmicos y Materiales Nanoestructurados), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Carretera Cuautitlán Teoloyucan, Km 2.5, San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico; (M.C.P.-J.); (O.R.G.-E.); (P.S.-C.); (M.S.-M.); (E.A.-A.); (M.I.M.-F.)
| | - Abraham Méndez-Albores
- Unidad de Investigación Multidisciplinaria Lab-14 (Ciencia y Tecnología de los Materiales), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Carretera Cuautitlán Teoloyucan, Km 2.5, San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico; (A.M.-A.); (A.V.-D.)
| | - Alma Vázquez-Durán
- Unidad de Investigación Multidisciplinaria Lab-14 (Ciencia y Tecnología de los Materiales), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Carretera Cuautitlán Teoloyucan, Km 2.5, San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico; (A.M.-A.); (A.V.-D.)
| | - Ricardo Vera-Graziano
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Apartado Postal 70-360, Ciudad Universitaria, Coyoacán, Ciudad de México 04510, Mexico;
| | - Betsabé Rodríguez-Pérez
- Laboratorio de Servicio de Análisis de Propóleos (LASAP), Unidad de Investigación Multidisciplinaria (UIM), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Cuautitlán Izcalli 54714, Mexico;
| | - Mariana Salgado-Machuca
- Unidad de Investigación Multidisciplinaria Lab-12 (Sistemas Transdérmicos y Materiales Nanoestructurados), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Carretera Cuautitlán Teoloyucan, Km 2.5, San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico; (M.C.P.-J.); (O.R.G.-E.); (P.S.-C.); (M.S.-M.); (E.A.-A.); (M.I.M.-F.)
| | - Ericka Anguiano-Almazán
- Unidad de Investigación Multidisciplinaria Lab-12 (Sistemas Transdérmicos y Materiales Nanoestructurados), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Carretera Cuautitlán Teoloyucan, Km 2.5, San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico; (M.C.P.-J.); (O.R.G.-E.); (P.S.-C.); (M.S.-M.); (E.A.-A.); (M.I.M.-F.)
| | - Miriam Isabel Morales-Florido
- Unidad de Investigación Multidisciplinaria Lab-12 (Sistemas Transdérmicos y Materiales Nanoestructurados), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Carretera Cuautitlán Teoloyucan, Km 2.5, San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico; (M.C.P.-J.); (O.R.G.-E.); (P.S.-C.); (M.S.-M.); (E.A.-A.); (M.I.M.-F.)
- Laboratorio de Farmacia Molecular y Liberación Controlada, Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana, Mexico City 04960, Mexico
| | - Isabel Marlene Rodríguez-Cruz
- Unidad de Enseñanza e Investigación, Hospital Regional e Alta Especialidad de Sumpango, Carretera Zumpango-Jilotzingo #400, Barrio de Santiago, 2ª Sección, Zumpango 55600, Mexico;
| | - José Juan Escobar-Chávez
- Unidad de Investigación Multidisciplinaria Lab-12 (Sistemas Transdérmicos y Materiales Nanoestructurados), Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Carretera Cuautitlán Teoloyucan, Km 2.5, San Sebastián Xhala, Cuautitlán Izcalli 54714, Mexico; (M.C.P.-J.); (O.R.G.-E.); (P.S.-C.); (M.S.-M.); (E.A.-A.); (M.I.M.-F.)
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11
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Ashraf MF, Zubair D, Bashir MN, Alagawany M, Ahmed S, Shah QA, Buzdar JA, Arain MA. Nutraceutical and Health-Promoting Potential of Lactoferrin, an Iron-Binding Protein in Human and Animal: Current Knowledge. Biol Trace Elem Res 2024; 202:56-72. [PMID: 37059920 PMCID: PMC10104436 DOI: 10.1007/s12011-023-03658-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 04/03/2023] [Indexed: 04/16/2023]
Abstract
Lactoferrin is a natural cationic iron-binding glycoprotein of the transferrin family found in bovine milk and other exocrine secretions, including lacrimal fluid, saliva, and bile. Lactoferrin has been investigated for its numerous powerful influences, including anticancer, anti-inflammatory, anti-oxidant, anti-osteoporotic, antifungal, antibacterial, antiviral, immunomodulatory, hepatoprotective, and other beneficial health effects. Lactoferrin demonstrated several nutraceutical and pharmaceutical potentials and have a significant impact on improving the health of humans and animals. Lactoferrin plays a critical role in keeping the normal physiological homeostasis associated with the development of pathological disorders. The current review highlights the medicinal value, nutraceutical role, therapeutic application, and outstanding favorable health sides of lactoferrin, which would benefit from more exploration of this glycoprotein for the design of effective medicines, drugs, and pharmaceuticals for safeguarding different health issues in animals and humans.
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Affiliation(s)
| | - Dawood Zubair
- Iqraa Medical Complex, Johar Town Lahore, Punjab, Pakistan
| | | | - Mahmoud Alagawany
- Poultry Department, Agriculture Faculty, Zagazig University, Zagazig, 44519, Egypt.
| | - Shabbir Ahmed
- Faculty of Animal Husbandry & Veterinary Science, Sindh Agriculture University Tandojam, Tandojam, Pakistan
| | - Qurban Ali Shah
- Faculty of Veterinary and Animal Sciences, Lasbela University of Agriculture, Water and Marine Sciences, Uthal, 3800, Balochistan, Pakistan
| | - Jameel Ahmed Buzdar
- Faculty of Veterinary and Animal Sciences, Lasbela University of Agriculture, Water and Marine Sciences, Uthal, 3800, Balochistan, Pakistan
| | - Muhammad Asif Arain
- Faculty of Veterinary and Animal Sciences, Lasbela University of Agriculture, Water and Marine Sciences, Uthal, 3800, Balochistan, Pakistan.
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12
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Sienkiewicz M, Zielińska M, Jacenik D, Machelak W, Owczarek K, Fichna J. Lactoferrin improves symptoms of dextran sulfate sodium-induced colitis in mice through modulation of cellular senescence. Nutr Res 2023; 120:58-71. [PMID: 37931351 DOI: 10.1016/j.nutres.2023.10.001] [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: 07/20/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 11/08/2023]
Abstract
The multifaceted effects of lactoferrin (LF) on the digestive and immune systems make it an attractive therapeutic option in inflammatory bowel diseases. In this study, we aimed to explore the anti-inflammatory effects of LF in colitis, particularly in relation to cellular senescence. We hypothesize that LF has the potential to modulate the senescence process. The effects of LF on senescence were tested in vitro using HCT116 and SW480 cell lines, and in vivo, the dextran sulfate sodium-induced mouse model of colitis. LF (500 mg/kg) alleviated symptoms of colitis in mice with a significant decrease in colon damage (P < .0001 vs. control) and microscopic (P < .05 vs. control) scores. Cellular senescence markers p16 and p21 were significantly upregulated in the mouse colon during inflammation (both P < .01 vs. control), and LF at 500 mg/kg decreased these markers (both P < .05 vs. dextran sulfate sodium-treated mice). In vitro, LF significantly affected the expression of p16 and p21 (P < .05-P < .0001 vs. control), senescence associated secretory phenotype (P < .01-P < .0001 vs. control), and telomere-specific proteins: telomeric repeat binding factor 1 and 2 (P < .05-P < .0001 vs. control) in a concentration-dependent manner. LF modulates the expression of cellular senescence markers and shows hallmarks of senolytic and pro-senescent activity, depending on dose. Further studies are needed to fully understand the anti-inflammatory effect of LF in the context of senescence and safe utilization in patients with inflammatory bowel diseases.
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Affiliation(s)
- Michał Sienkiewicz
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Marta Zielińska
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Damian Jacenik
- Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland
| | - Weronika Machelak
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Katarzyna Owczarek
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Jakub Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland.
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13
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Baumgartel K, Saint Fleur A, Prescott S, Fanfan D, Elliott A, Yoo JY, Koerner R, Harringon M, Dutra SO, Duffy A, Ji M, Groer MW. Social Determinants of Health Among Pregnant Hispanic Women and Associated Psychological Outcomes. J Racial Ethn Health Disparities 2023:10.1007/s40615-023-01852-7. [PMID: 37973772 PMCID: PMC11186463 DOI: 10.1007/s40615-023-01852-7] [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: 08/30/2023] [Revised: 10/17/2023] [Accepted: 10/24/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND There has been a concerning surge in maternal mortality among Hispanic women in recent years. Compromised mental health is present in nearly half of all maternal deaths, and risk factors include poor social support and depression. OBJECTIVE Among Hispanic women who were born in the USA versus those not born in the USA, we sought to describe and compare social determinants of health and maternal psychological outcomes. METHODS Hispanic pregnant women (n = 579) were recruited from two clinics in Tampa, FL, and completed various questionnaires related to social determinants of health, depression, stress, and social support. STATISTICAL ANALYSIS Descriptive statistics, t-tests, and chi-square analyses were used to compare relationships between maternal nativity and subsequent psychosocial outcomes. Pearson correlations were used to explore associations between variables. RESULTS Hispanic pregnant women who were not born in the USA had lower incomes (χ2 = 5.68, p = 0.018, df = 1), were more likely to be unemployed (χ2 = 8.12, p = 0.004, df = 1), and were more likely to be married (χ2 = 4.79, p = 0.029, df = 1) when compared with those born in the USA. Those not born in the USA reported lower social support (t = 3.92, p<0.001), specifically the tangible (t = 4.18, p < 0.001) and emotional support subscales (t = 4.4, p<0.001). When compared with those born in the USA, foreign-born Hispanic women reported less stress (t = 3.23, p = 0.001) and depression (t = 3.3, p = 0.002). CONCLUSION Pregnant Hispanic women not born in the USA are at increased risk for suboptimal social determinants of health, including less social support. US-born women were more stressed and depressed and had higher BMIs.
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Affiliation(s)
- Kelley Baumgartel
- University of South Florida College of Nursing, 12912 USF Health Dr, Tampa, FL, 33612, USA.
| | - Angeline Saint Fleur
- University of South Florida College of Nursing, 12912 USF Health Dr, Tampa, FL, 33612, USA
| | - Stephanie Prescott
- University of South Florida College of Nursing, 12912 USF Health Dr, Tampa, FL, 33612, USA
| | - Dany Fanfan
- University of Florida College of Nursing, 1225 Center Drive, Gainesville, FL, 32619, USA
| | - Amanda Elliott
- University of Florida College of Medicine Psychiatry and Behavioral Neurosciences, 3515 Ave Tampa, Fletcher, FL, 33613, USA
| | - Ji Youn Yoo
- University of Tennessee Knoxville College of Nursing, 1412 Circle Dr, Knoxville, TN, 37996, USA
| | - Rebecca Koerner
- University of South Florida College of Nursing, 12912 USF Health Dr, Tampa, FL, 33612, USA
| | - Monalisa Harringon
- University of South Florida College of Nursing, 12912 USF Health Dr, Tampa, FL, 33612, USA
| | - Samia Ozorio Dutra
- University of Hawaii at Manoa Nancy Atmospera-Walch School of Nursing, 2528 McCarthy Mall, Webster Hall 440, Honolulu, HI, 96822, USA
| | - Allyson Duffy
- University of South Florida College of Nursing, 12912 USF Health Dr, Tampa, FL, 33612, USA
| | - Ming Ji
- University of New Mexico Health Sciences, 2500 Marble Ave NE, Albuquerque, NM, 87106, USA
| | - Maureen W Groer
- University of Tennessee Knoxville College of Nursing, 1412 Circle Dr, Knoxville, TN, 37996, USA
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14
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Markoulli M, Ahmad S, Arcot J, Arita R, Benitez-Del-Castillo J, Caffery B, Downie LE, Edwards K, Flanagan J, Labetoulle M, Misra SL, Mrugacz M, Singh S, Sheppard J, Vehof J, Versura P, Willcox MDP, Ziemanski J, Wolffsohn JS. TFOS Lifestyle: Impact of nutrition on the ocular surface. Ocul Surf 2023; 29:226-271. [PMID: 37100346 DOI: 10.1016/j.jtos.2023.04.003] [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: 03/30/2023] [Accepted: 04/06/2023] [Indexed: 04/28/2023]
Abstract
Nutrients, required by human bodies to perform life-sustaining functions, are obtained from the diet. They are broadly classified into macronutrients (carbohydrates, lipids, and proteins), micronutrients (vitamins and minerals) and water. All nutrients serve as a source of energy, provide structural support to the body and/or regulate the chemical processes of the body. Food and drinks also consist of non-nutrients that may be beneficial (e.g., antioxidants) or harmful (e.g., dyes or preservatives added to processed foods) to the body and the ocular surface. There is also a complex interplay between systemic disorders and an individual's nutritional status. Changes in the gut microbiome may lead to alterations at the ocular surface. Poor nutrition may exacerbate select systemic conditions. Similarly, certain systemic conditions may affect the uptake, processing and distribution of nutrients by the body. These disorders may lead to deficiencies in micro- and macro-nutrients that are important in maintaining ocular surface health. Medications used to treat these conditions may also cause ocular surface changes. The prevalence of nutrition-related chronic diseases is climbing worldwide. This report sought to review the evidence supporting the impact of nutrition on the ocular surface, either directly or as a consequence of the chronic diseases that result. To address a key question, a systematic review investigated the effects of intentional food restriction on ocular surface health; of the 25 included studies, most investigated Ramadan fasting (56%), followed by bariatric surgery (16%), anorexia nervosa (16%), but none were judged to be of high quality, with no randomized-controlled trials.
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Affiliation(s)
- Maria Markoulli
- School of Optometry and Vision Science, UNSW Sydney, NSW, Australia.
| | - Sumayya Ahmad
- Icahn School of Medicine of Mt. Sinai, New York, NY, USA
| | - Jayashree Arcot
- Food and Health, School of Chemical Engineering, UNSW Sydney, Australia
| | - Reiko Arita
- Department of Ophthalmology, Itoh Clinic, Saitama, Japan
| | | | | | - Laura E Downie
- Department of Optometry and Vision Sciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Katie Edwards
- School of Optometry and Vision Science, Queensland University of Technology, Brisbane, Australia
| | - Judith Flanagan
- School of Optometry and Vision Science, UNSW Sydney, NSW, Australia; Vision CRC, USA
| | - Marc Labetoulle
- Ophthalmology Department, Hospital Bicêtre, APHP, Paris-Saclay University, Le Kremlin-Bicêtre, France; IDMIT (CEA-Paris Saclay-Inserm U1184), Fontenay-aux-Roses, France
| | - Stuti L Misra
- Department of Ophthalmology, New Zealand National Eye Centre, The University of Auckland, Auckland, New Zealand
| | | | - Sumeer Singh
- Department of Optometry and Vision Sciences, The University of Melbourne, Parkville, Victoria, Australia
| | - John Sheppard
- Virginia Eye Consultants, Norfolk, VA, USA; Eastern Virginia Medical School, Norfolk, VA, USA
| | - Jelle Vehof
- Departments of Ophthalmology and Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands; Section of Ophthalmology, School of Life Course Sciences, King's College London, London, UK; Department of Ophthalmology, Vestfold Hospital Trust, Tønsberg, Norway
| | - Piera Versura
- Cornea and Ocular Surface Analysis - Translation Research Laboratory, Ophthalmology Unit, DIMEC Alma Mater Studiorum Università di Bologna, Italy; IRCCS AOU di Bologna Policlinico di Sant'Orsola, Bologna, Italy
| | - Mark D P Willcox
- School of Optometry and Vision Science, UNSW Sydney, NSW, Australia
| | - Jillian Ziemanski
- School of Optometry, University of Alabama at Birmingham, Birmingham, AL, USA
| | - James S Wolffsohn
- College of Health & Life Sciences, School of Optometry, Aston University, Birmingham, UK
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15
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Dje Kouadio DK, Wieringa F, Greffeuille V, Humblot C. Bacteria from the gut influence the host micronutrient status. Crit Rev Food Sci Nutr 2023:1-16. [PMID: 37366286 DOI: 10.1080/10408398.2023.2227888] [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] [Indexed: 06/28/2023]
Abstract
Micronutrient deficiencies or "hidden hunger" remains a serious public health problem in most low- and middle-income countries, with severe consequences for child development. Traditional methods of treatment and prevention, such as supplementation and fortification, have not always proven to be effective and may have undesirable side-effects (i.e., digestive troubles with iron supplementation). Commensal bacteria in the gut may increase bioavailability of specific micronutrients (i.e., minerals), notably by removing anti-nutritional compounds, such as phytates and polyphenols, or by the synthesis of vitamins. Together with the gastrointestinal mucosa, gut microbiota is also the first line of protection against pathogens. It contributes to the reinforcement of the integrity of the intestinal epithelium and to a better absorption of micronutrients. However, its role in micronutrient malnutrition is still poorly understood. Moreover, the bacterial metabolism is also dependent of micronutrients acquired from the gut environment and resident bacteria may compete or collaborate to maintain micronutrient homeostasis. Gut microbiota composition can therefore be modulated by micronutrient availability. This review brings together current knowledge on this two-way relationship between micronutrients and gut microbiota bacteria, with a focus on iron, zinc, vitamin A and folate (vitamin B9), as these deficiencies are public health concerns in a global context.
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Affiliation(s)
- Dorgeles Kouakou Dje Kouadio
- QualiSud, Univ Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
- French National Research Institute for Sustainable Development (IRD), Montpellier, France, France
| | - Frank Wieringa
- QualiSud, Univ Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
- French National Research Institute for Sustainable Development (IRD), Montpellier, France, France
| | - Valérie Greffeuille
- QualiSud, Univ Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
- French National Research Institute for Sustainable Development (IRD), Montpellier, France, France
| | - Christèle Humblot
- QualiSud, Univ Montpellier, Avignon Université, CIRAD, Institut Agro, IRD, Université de La Réunion, Montpellier, France
- French National Research Institute for Sustainable Development (IRD), Montpellier, France, France
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16
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Liu ZS, Chen PW. Featured Prebiotic Agent: The Roles and Mechanisms of Direct and Indirect Prebiotic Activities of Lactoferrin and Its Application in Disease Control. Nutrients 2023; 15:2759. [PMID: 37375663 DOI: 10.3390/nu15122759] [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: 05/10/2023] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Lactoferrin (LF) is a glycoprotein found in mammalian milk, and lactoferricin is a peptide derived from LF hydrolysate. Both LF and lactoferricin (LFcin) have diverse functions that could benefit mammals. Bovine LF (BLF) and BLFcin exhibit a wide range of antimicrobial activities, but most probiotic strains are relatively resistant to their antibacterial effects. BLF and BLF hydrolysate can promote the growth of specific probiotics depending on the culture conditions, the dose of BLF or BLF-related peptides, and the probiotic strains used. BLF supplementation has been shown to modulate several central molecular pathways or genes in Lacticaseibacillus rhamnosus GG under cold conditions, which may explain the prebiotic roles of BLF. LF alone or in combination with selected probiotics can help control bacterial infections or metabolic disorders, both in animal studies and in human clinical trials. Various LF-expressing probiotics, including those expressing BLF, human LF, or porcine LF, have been developed to facilitate the combination of LFs with specific probiotics. Supplementation with LF-expressing probiotics has positive effects in animal studies. Interestingly, inactivated LF-expressing probiotics significantly improved diet-induced nonalcoholic fatty liver disease (NAFLD) in a mouse model. This review highlights the accumulated evidence supporting the use of LF in combination with selected LF-resistant probiotics or LF-expressing probiotics in the field.
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Affiliation(s)
- Zhen-Shu Liu
- Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology, Chiayi 61363, Taiwan
- Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
| | - Po-Wen Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung 40249, Taiwan
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Abd El-Hack ME, Abdelnour SA, Kamal M, Khafaga AF, Shakoori AM, Bagadood RM, Naffadi HM, Alyahyawi AY, Khojah H, Alghamdi S, Jaremko M, Świątkiewicz S. Lactoferrin: Antimicrobial impacts, genomic guardian, therapeutic uses and clinical significance for humans and animals. Biomed Pharmacother 2023; 164:114967. [PMID: 37290189 DOI: 10.1016/j.biopha.2023.114967] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 05/21/2023] [Accepted: 05/29/2023] [Indexed: 06/10/2023] Open
Abstract
Lactoferrin (LF) is a protein found in several bodily fluids, such as milk. This protein has a diverse range of functions and is evolutionarily conserved. Lactoferrin is a multifunction protein with distinct biological abilities affecting mammals' immune structures. Reports indicated that the daily uptake of LF from dairy products is unsatisfactory in detecting further health-promoting abilities. Research has shown that it protects against infection, mitigates cellular senescence, and improves nutritional quality. Additionally, LF is being studied as a potential treatment for various diseases and conditions, including gastrointestinal issues and infections. Studies have also demonstrated its effectiveness against various viruses and bacteria. In this article, we'll look closer at the structure of LF and its various biological activities, including its antimicrobial, anti-viral, anti-cancer, anti-osteoporotic, detoxifying, and immunomodulatory properties. More specifically, the protective effect of LF against oxidative DNA damage was also clarified through its ability to abolish DNA damaging issues without interfacing with host genetic material. Fortification with LF protects mitochondria dysfunction syndromes via sustaining redox status and biogenesis and suppressing apoptosis and autophagy singling. Additionally, we'll examine the potential benefits of lactoferrin and provide an overview of recent clinical trials conducted to examine its use in laboratory and living models.
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Affiliation(s)
- Mohamed E Abd El-Hack
- Department of Poultry, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt.
| | - Sameh A Abdelnour
- Department of Animal Production, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Mahmoud Kamal
- Animal Production Research Institute, Agricultural Research Center, Dokki, Giza 12618, Egypt
| | - Asmaa F Khafaga
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Edfina 22758, Egypt
| | - Afnan M Shakoori
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Kingdom of Saudi Arabia
| | - Rehab M Bagadood
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Kingdom of Saudi Arabia
| | - Hind M Naffadi
- Department of medical genetics,college of medicine, Umm Al-Qura University, Makkah, Kingdom of Saudi Arabia
| | - Areej Y Alyahyawi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia; King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
| | - Hanan Khojah
- Pharmacognosy Department, Faculty of Pharmacy, Jouf University, P.O. Box 2014, Sakaka, Aljouf, Saudi Arabia
| | - Saleh Alghamdi
- Department of Clinical Pharmacy, Faculty of clinical pharmacy, Al-Baha University, Al-Baha, Saudi Arabia
| | - Mariusz Jaremko
- Smart-Health Initiative (SHI) and Red Sea Research Center (RSRC), Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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18
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Conesa C, Bellés A, Grasa L, Sánchez L. The Role of Lactoferrin in Intestinal Health. Pharmaceutics 2023; 15:1569. [PMID: 37376017 DOI: 10.3390/pharmaceutics15061569] [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: 04/19/2023] [Revised: 05/16/2023] [Accepted: 05/19/2023] [Indexed: 06/29/2023] Open
Abstract
The intestine represents one of the first barriers where microorganisms and environmental antigens come into tight contact with the host immune system. A healthy intestine is essential for the well-being of humans and animals. The period after birth is a very important phase of development, as the infant moves from a protected environment in the uterus to one with many of unknown antigens and pathogens. In that period, mother's milk plays an important role, as it contains an abundance of biologically active components. Among these components, the iron-binding glycoprotein, lactoferrin (LF), has demonstrated a variety of important benefits in infants and adults, including the promotion of intestinal health. This review article aims to provide a compilation of all the information related to LF and intestinal health, in infants and adults.
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Affiliation(s)
- Celia Conesa
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad de Zaragoza, 50013 Zaragoza, Spain
| | - Andrea Bellés
- Departamento de Farmacología, Fisiología y Medicina Legal y Forense, Facultad de Veterinaria, Universidad de Zaragoza, 50013 Zaragoza, Spain
- Instituto Agroalimentario de Aragón IA2 (UNIZAR-CITA), 50013 Zaragoza, Spain
| | - Laura Grasa
- Departamento de Farmacología, Fisiología y Medicina Legal y Forense, Facultad de Veterinaria, Universidad de Zaragoza, 50013 Zaragoza, Spain
- Instituto Agroalimentario de Aragón IA2 (UNIZAR-CITA), 50013 Zaragoza, Spain
- Instituto de Investigación Sanitaria de Aragón (IIS Aragón), 50009 Zaragoza, Spain
| | - Lourdes Sánchez
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Universidad de Zaragoza, 50013 Zaragoza, Spain
- Instituto Agroalimentario de Aragón IA2 (UNIZAR-CITA), 50013 Zaragoza, Spain
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Synergistic Antimicrobial Action of Lactoferrin-Derived Peptides and Quorum Quenching Enzymes. Int J Mol Sci 2023; 24:ijms24043566. [PMID: 36834977 PMCID: PMC9965131 DOI: 10.3390/ijms24043566] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/13/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023] Open
Abstract
Combined use of various antimicrobial peptides (AMPs) with enzymes that hydrolyze the signaling molecules of the resistance mechanism of various microorganisms, quorum sensing (QS), to obtain effective antimicrobials is one of the leading approaches in solving the antimicrobial resistance problem. Our study investigates the lactoferrin-derived AMPs, lactoferricin (Lfcin), lactoferampin and Lf(1-11), as potential partners for combination with enzymes hydrolyzing lactone-containing QS molecules, the hexahistidine-containing organophosphorus hydrolase (His6-OPH) and penicillin acylase, to obtain effective antimicrobial agents with a scope of practical application. The possibility of the effective combination of selected AMPs and enzymes was first investigated in silico using molecular docking method. Based on the computationally obtained results, His6-OPH/Lfcin combination was selected as the most suitable for further research. The study of physical-chemical characteristics of His6-OPH/Lfcin combination revealed the stabilization of enzymatic activity. A notable increase in the catalytic efficiency of action of His6-OPH in combination with Lfcin in the hydrolysis of paraoxon, N-(3-oxo-dodecanoyl)-homoserine lactone and zearalenone used as substrates was established. Antimicrobial efficiency of His6-OPH/Lfcin combination was determined against various microorganisms (bacteria and yeasts) and its improvement was observed as compared to AMP without enzyme. Thus, our findings demonstrate that His6-OPH/Lfcin combination is a promising antimicrobial agent for practical application.
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Lectin microarray profiling demonstrates equivalent global glycosylation for whey protein ingredients enriched with α-lactalbumin and milk fat globule membrane. Food Res Int 2023; 164:112416. [PMID: 36737995 DOI: 10.1016/j.foodres.2022.112416] [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: 05/05/2022] [Revised: 12/22/2022] [Accepted: 12/26/2022] [Indexed: 12/28/2022]
Abstract
Human milk fat globule membrane (MFGM) and whey proteins are nutritionally and functionally valuable, with many beneficial bioactivities associated with their glycosylation. However glycosylation of milk components other than free milk oligosaccharides are underinvestigated. Whey protein concentrate (WPC) ingredients with various enrichments or depletions are used in infant formula (IF) formulations to contribute to human milk equivalence and bioactivity benefits, but their overall or global glycosylation has not been compared. We compared the global glycosylation of commercial WPC ingredients for use in various IF formulations; two MFGM-enriched WPC ingredients (high fat HF1 and lower fat HF2), an α-lactalbumin-enriched WPC (WPC Lac) which has α-lactalbumin concentration closer to human milk and significantly less β-lactoglobulin which is not present in human milk, and two base WPC ingredients (WPC 80 and WPC 35) using lectin microarray profiling. WPC Lac and WPC HF1 glycosylation were highly similar to each other and both somewhat similar to WPC 35, while WPC HF2 was more similar to the base WPC 80 ingredient. N-linked glycosylation analysis demonstrated that WPC HF1 and WPC Lac were qualitatively most similar to one another, with WPC 80 and WPC 35 having similar structures, confirming lectin microarray profiling as a valuable method to compare global glycosylation. Thus WPC Lac may be a valuable ingredient for providing equivalent glycosylation to MFGM supplementation.
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Sarkar VK, De UK, Kala A, Verma AK, Chauhan A, Paul BR, Soni S, Gandhar JS, Chaudhuri P, Patra MK, Eregowda CG, Gaur GK. Early-Life Intervention of Lactoferrin and Probiotic in Suckling Piglets: Effects on Immunoglobulins, Intestinal Integrity, and Neonatal Mortality. Probiotics Antimicrob Proteins 2023; 15:149-159. [PMID: 35793035 DOI: 10.1007/s12602-022-09964-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/09/2022] [Indexed: 01/18/2023]
Abstract
The aim of this study was to determine the effects of early-life bovine lactoferrin and host specific probiotic interventions on growth performance, mortality, and concentrations of immunoglobulin A and immunoglobulin G and transforming growth factor beta 1 (a marker of intestinal integrity) in serum of neonatal piglets. A total of eight piglet litters from parity matched sows were randomly divided into four groups and assigned to one of the four interventions: control (sterile normal saline), bovine lactoferrin (100 mg bovine lactoferrin), probiotic (1 × 109 colony forming unit (cfu) of swine origin Pediococcus acidilactici FT28 probiotic), and bovine lactoferrin + probiotic (100 mg bovine lactoferrin and 1 × 109 CFU of P. acidilactici FT28 probiotic). All the interventions were given once daily through oral route for first 7 days of life. The average daily gain (p = 0.0004) and weaning weight (p < 0.0001) were significantly improved in the probiotic group. The piglet survivability was significantly higher in bovine lactoferrin and probiotic groups than control group in Log-rank (Mantel-Cox) test. The concentrations of immunoglobulin A on day 21 in bovine lactoferrin, probiotic, and bovine lactoferrin + probiotic groups increased significantly (p < 0.05). Immunoglobulin G concentrations on day 7 and 15 in bovine lactoferrin and bovine lactoferrin + probiotic groups and on day 15 in probiotic group were significantly (p < 0.05) elevated, whereas, the concentration of transforming growth factor-β1 was significantly (p < 0.05) increased from day 7 to 21 in all the supplemented groups. In conclusion, the early-life bovine lactoferrin and P. acidilactici FT28 probiotic interventions reduced the mortality in the suckling piglets by promoting the systemic immunity and enhancing the intestinal integrity.
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Affiliation(s)
- Varun Kumar Sarkar
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Ujjwal Kumar De
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India.
| | - Anju Kala
- Division of Animal Nutrition, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Ashok Kumar Verma
- Division of Animal Nutrition, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Anuj Chauhan
- Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Babul Rudra Paul
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Srishti Soni
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Jitendra Singh Gandhar
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Pallab Chaudhuri
- Division of Biological Products, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Manas Kumar Patra
- Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Chethan Gollahalli Eregowda
- Department of Veterinary Medicine, College of Veterinary Sciences and Animal Husbandry, Central Agriculture University, Selesih, Aizawl, 796014, Mizoram, India
| | - Gyanendra Kumar Gaur
- Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
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22
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Olyayee M, Javanmard A, Janmohammadi H, Kianfar R, Alijani S, Mir Ghelenj SA. Supplementation of broiler chicken diets with bovine lactoferrin improves growth performance, histological parameters of jejunum and immune-related gene expression. J Anim Physiol Anim Nutr (Berl) 2023; 107:200-213. [PMID: 35102621 DOI: 10.1111/jpn.13683] [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: 11/18/2020] [Revised: 12/24/2021] [Accepted: 01/04/2022] [Indexed: 01/10/2023]
Abstract
The aim of this study was to investigate the influence of dietary supplementation of bovine lactoferrin (bLF) on growth performance, carcass traits, histomorphology of jejunum, immune function and hepatic and splenic gene expression of interferon-gamma (IFN-γ) and interleukine-2 (IL-2) in broiler chickens. A total of 240 one-day-old Ross 308 male broiler chickens were randomly allotted into six dietary treatments with four replicate pens (10 chicks per pen) and fed experimental diet in 3 feeding phases (starter: d 0-10, grower: d 11-24 and finisher: d 25-42). The experimental treatments were (1) corn-soya bean meal-based basal diet (control), (2-5) basal diet supplemented with 200, 400, 600, 800 mg/kg bLF, respectively, and (6) basal diet supplemented with 200 mg/kg oxytetracycline (OTC). The average body weight gain (ABWG) of broilers fed 800 mg/kg bLF was 8.48% higher than those fed a corn-soybean meal-based diet during the starter period (d 0-10) (linear effect, p = 0.002; quadratic effect, p = 0.24). Average daily feed intake (ADFI) and the feed conversion ratio (FCR) were not affected (p>0.05) by bLF supplementation. At 42 days of age, the breast meat percentage and carcass yield of broilers fed 800 mg/kg bLF compared with the control group significantly increased by 9.51% and 6.03% respectively (p < 0.05). Compared with the chicks fed the control diet, the chicks fed diets supplemented with bLF had higher villus height, muscle thickness and villus surface area (p > 0.05). Dietary bLF inclusion increased the total immunoglobulin (IgT) titre against sheep red blood cells (SRBCs) antigen (linear effect, p = 0.031; quadratic effect, p = 0.035) and improved the phytohaemagglutinin-P (PHA-P)-skin test of broilers. Compared with the control, bLF enhanced the gene expression of IFN-γ in spleen (p = 0.048, linear effect, p = 0.009; quadratic effect, p = 0.093) and liver (p = 0.012, linear effect, p = 0.008; quadratic effect, p = 0.01) and IL-2 expression in spleen (p = 0.021, linear effect, p = 0.026; quadratic effect, p = 0.103). The bLF supplementation had no effect on IL-2 gene expression in liver (p > 0.05, linear effect, p = 0.213; quadratic effect, p = 0.159). In conclusion, we found that supplementation of broiler diets with 800 mg/kg bLF can improve the growth performance, carcass yield, cell-mediated and antibody-mediated immune responses and enhance the IL-2 and IFN-γ gene expression of broilers.
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Affiliation(s)
- Majid Olyayee
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Arash Javanmard
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Hossein Janmohammadi
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Ruhollah Kianfar
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Sadegh Alijani
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
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FU J, YANG L, TAN D, LIU L. Iron transport mechanism of lactoferrin and its application in food processing. FOOD SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1590/fst.121122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
| | - Liu YANG
- Shenyang Agricultural University, China
| | | | - Ling LIU
- Shenyang Agricultural University, China
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24
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The ‘Whey’ to good health: Whey protein and its beneficial effect on metabolism, gut microbiota and mental health. Trends Food Sci Technol 2023. [DOI: 10.1016/j.tifs.2022.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Wang X, Zu X, Wang T, Zhao Y, Liang Y, Wang X, Chai Q, Zhang Y, Chen H, Wang H. N, S-Doped Carbon Dots Prepared by Peanut Protein Isolates and Cysteamine as Highly Sensitive Fluorescent Sensors for Fe 2+, Fe 3+ and Lactoferrin. Polymers (Basel) 2022; 15:polym15010216. [PMID: 36616565 PMCID: PMC9823515 DOI: 10.3390/polym15010216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/21/2022] [Accepted: 12/26/2022] [Indexed: 01/03/2023] Open
Abstract
Lactoferrin (LF) is an iron-binding glycoprotein with various biological activities that has been extensively used in food and medical applications. Several methods for detecting LF have been reported, but they still face challenges in terms of sensitivity and simplicity of detection. To achieve an accurate and efficient detection of LF, we developed a method for the determination of LF in lactoferrin supplements using carbon dots (CDs) fluorescent probes. The N, S-doped PPI carbon dots (N, S-PPI-CDs) were prepared using a protein (peanut protein isolate) and cysteamine as precursors. The prepared N, S-PPI-CDs exhibited intense blue fluorescence and good biocompatibility, while the fluorescence intensity of the N, S-PPI-CDs showed a good linear relationship with Fe2+/Fe3+ concentration (0-2 μM). The N, S-PPI-CDs exhibited a high potential ability to rapidly detect Fe2+/Fe3+ within 30 s, with a limit of detection (LoD) of 0.21 μM/0.17 μM. Due to the reversible binding of LF to Fe, the N, S-PPI-CDs showed a high sensitivity and selectivity for LF, with a limit of detection (LoD) of 1.92 μg/mL. In addition, LF was quantified in real sample LF supplements and showed a fluctuation in recovery of less than 2.48%, further demonstrating the effectiveness of the fluorescent N, S-PPI-CDs sensor.
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Affiliation(s)
- Xinxin Wang
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Sciences and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Xinyu Zu
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Sciences and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Ting Wang
- College of Biotechnology, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Yanan Zhao
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Sciences and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Yan Liang
- State Key Laboratory of Biobased Material and Green Papermaking, School of Food Sciences and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
- Correspondence: (Y.L.); (H.W.)
| | - Xiaochen Wang
- Shandong Center for Food and Drug Evaluation & Inspection, Jinan 250014, China
| | - Qian Chai
- Shandong Center for Food and Drug Evaluation & Inspection, Jinan 250014, China
| | - Yunjuan Zhang
- Shandong Center for Food and Drug Evaluation & Inspection, Jinan 250014, China
| | - Hongzhong Chen
- Shandong Center for Food and Drug Evaluation & Inspection, Jinan 250014, China
| | - Hua Wang
- School of Materials Science and Engineering, Shandong University, Jinan 250061, China
- Correspondence: (Y.L.); (H.W.)
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26
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Young G, Berrington JE, Cummings S, Dorling J, Ewer AK, Frau A, Lett L, Probert C, Juszczak E, Kirby J, Beck LC, Renwick VL, Lamb C, Lanyon CV, McGuire W, Stewart C, Embleton N. Mechanisms affecting the gut of preterm infants in enteral feeding trials: a nested cohort within a randomised controlled trial of lactoferrin. Arch Dis Child Fetal Neonatal Ed 2022; 108:272-279. [PMID: 36396443 PMCID: PMC10176413 DOI: 10.1136/archdischild-2022-324477] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 10/25/2022] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To determine the impact of supplemental bovine lactoferrin on the gut microbiome and metabolome of preterm infants. DESIGN Cohort study nested within a randomised controlled trial (RCT). Infants across different trial arms were matched on several clinical variables. Bacteria and metabolite compositions of longitudinal stool and urine samples were analysed to investigate the impact of lactoferrin supplementation. SETTING Thirteen UK hospitals participating in a RCT of lactoferrin. PATIENTS 479 infants born <32 weeks' gestation between June 2016 and September 2017. RESULTS 10 990 stool and 22 341 urine samples were collected. Analyses of gut microbiome (1304 stools, 201 infants), metabolites (171 stools, 83 infants; 225 urines, 90 infants) and volatile organic compounds (314 stools, 117 infants) were performed. Gut microbiome Shannon diversity at 34 weeks corrected age was not significantly different between infants in the lactoferrin (mean=1.24) or placebo (mean=1.06) groups (p=0.11). Lactoferrin receipt explained less than 1% variance in microbiome compositions between groups. Metabolomic analysis identified six discriminative features between trial groups. Hospital site (16%) and postnatal age (6%) explained the greatest variation in microbiome composition. CONCLUSIONS This multiomic study identified minimal impacts of lactoferrin but much larger impacts of hospital site and postnatal age. This may be due to the specific lactoferrin product used, but more likely supports the findings of the RCT in which this study was nested, which showed no impact of lactoferrin on reducing rates of sepsis. Multisite mechanistic studies nested within RCTs are feasible and help inform trial interpretation and future trial design.
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Affiliation(s)
- Greg Young
- Applied Sciences, Northumbria University Faculty of Health and Life Sciences, Newcastle upon Tyne, England, UK.,Microbial Environments, Hub for Biotechnology in the Built Environment, Newcastle upon Tyne, England, UK
| | - Janet E Berrington
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK .,Newcastle Neonatal Service, Ward 35 Neonatal Unit, Royal Victoria Infirmary, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - Stephen Cummings
- School of Health and Life Sciences, Teesside University, Middlesbrough, North Yorkshire, UK
| | - Jon Dorling
- Department of Neonatal Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Andrew K Ewer
- Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK
| | - Alessandra Frau
- Gastroenterology Research Unit, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - Lauren Lett
- Gastroenterology Research Unit, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - Chris Probert
- Gastroenterology Research Unit, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - Ed Juszczak
- School of Medicine, University of Nottingham School of Medicine, Nottingham, Notts, UK
| | - John Kirby
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Lauren C Beck
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Victoria L Renwick
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Christopher Lamb
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Clare V Lanyon
- Applied Sciences, Northumbria University Faculty of Health and Life Sciences, Newcastle upon Tyne, England, UK
| | - William McGuire
- Centre for Reviews and Dissemination, University of York, York, North Yorkshire, UK
| | - Christopher Stewart
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Nicholas Embleton
- Newcastle Neonatal Service, Ward 35 Neonatal Unit, Royal Victoria Infirmary, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK.,Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
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27
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Avalos-Gómez C, Ramírez-Rico G, Ruiz-Mazón L, Sicairos NL, Serrano-Luna J, de la Garza M. Lactoferrin: An Effective Weapon in the Battle Against Bacterial Infections. Curr Pharm Des 2022; 28:3243-3260. [PMID: 36284379 DOI: 10.2174/1381612829666221025153216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 09/27/2022] [Indexed: 01/28/2023]
Abstract
The emergence of multidrug-resistant bacterial strains with respect to commercially available antimicrobial drugs has marked a watershed in treatment therapies to fight pathogens and has stimulated research on alternative remedies. Proteins of the innate immune system of mammals have been highlighted as potentially yielding possible treatment options for infections. Lactoferrin (Lf) is one of these proteins; interestingly, no resistance to it has been found. Lf is a conserved cationic nonheme glycoprotein that is abundant in milk and is also present in low quantities in mucosal secretions. Moreover, Lf is produced and secreted by the secondary granules of neutrophils at infection sites. Lf is a molecule of approximately 80 kDa that displays multiple functions, such as antimicrobial, anti-viral, anti-inflammatory, and anticancer actions. Lf can synergize with antibiotics, increasing its potency against bacteria. Lactoferricins (Lfcins) are peptides resulting from the N-terminal end of Lf by proteolytic cleavage with pepsin. They exhibit several anti-bacterial effects similar to those of the parental glycoprotein. Synthetic analog peptides exhibiting potent antimicrobial properties have been designed. The aim of this review is to update understanding of the structure and effects of Lf and Lfcins as anti-bacterial compounds, focusing on the mechanisms of action in bacteria and the use of Lf in treatment of infections in patients, including those studies where no significant differences were found. Lf could be an excellent option for prevention and treatment of bacterial diseases, mainly in combined therapies with antibiotics or other antimicrobials.
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Affiliation(s)
- Christian Avalos-Gómez
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN, Ciudad de Mexico, Mexico
| | - Gerardo Ramírez-Rico
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN, Ciudad de Mexico, Mexico.,Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México (UNAM), Km 2.5 Carretera Cuautitlán- Teoloyucan, Cuautitlán Izcalli, 54714, Mexico
| | - Lucero Ruiz-Mazón
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN, Ciudad de Mexico, Mexico
| | - Nidia León Sicairos
- Departamento de Investigación, Hospital Pediátrico de Sinaloa, Unidad de Investigación, Facultad de Medicina, Universidad Autónoma de Sinaloa, Mexico
| | - Jesús Serrano-Luna
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN, Ciudad de Mexico, Mexico
| | - Mireya de la Garza
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN, Ciudad de Mexico, Mexico
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Changes in the Lactoferrin Concentration in the Bovine Colostrum During Postpartum Period. MACEDONIAN VETERINARY REVIEW 2022. [DOI: 10.2478/macvetrev-2022-0026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Abstract
The health condition of the mammary gland is highly crucial for obtaining good quality colostrum. The lactoferrin (LF), as an iron-binding protein, plays a key role in the defense mechanisms of the mammary gland due to its’ bacteriostatic properties. The study aimed to investigate the factors affecting the LF concentration in the bovine colostrum milk during the postpartum period, and the effect of somatic cell count (SCC) on the LF concentration and milk composition. The cows were randomly selected at a dairy farm in Pelagonia region. Colostrum samples from 12 cows were collected. Samples were taken at different time intervals after parturition, 1, 6, 12, 24, 48, 72, 96, and 120 h after parturition. Cows in their second parity were found to have higher levels of LF compared to cows in the third and higher parity (p>0.05). Time had a significant effect on the LF concentration (p<0.01), with the highest value recorded 1 h after parturition remaining stable for one hour. LF concentration and SCC in the colostrum showed a weak positive correlation (r=0.40; p<0.01). The highest LF concentration was noticed when SCC was above 800,000 cells/mL. In conclusion, the colostrum LF concentration was significantly affected by the interactions of the two factors, i.e., time after parturition and SCC (p<0.05). Milk composition was affected by elevated SCC. Parity showed no association with LF. The SCC can be used as a reliable means of assessing colostrum quality.
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Lactoferrin as Possible Treatment for Chronic Gastrointestinal Symptoms in Children with Long COVID: Case Series and Literature Review. CHILDREN 2022; 9:children9101446. [PMID: 36291381 PMCID: PMC9600357 DOI: 10.3390/children9101446] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/12/2022] [Accepted: 09/19/2022] [Indexed: 11/17/2022]
Abstract
Long COVID is an emergent, heterogeneous, and multisystemic condition with an increasingly important impact also on the pediatric population. Among long COVID symptoms, patients can experience chronic gastrointestinal symptoms such as abdominal pain, constipation, diarrhea, vomiting, nausea, and dysphagia. Although there is no standard, agreed, and optimal diagnostic approach or treatment of long COVID in children, recently compounds containing multiple micronutrients and lactoferrin have been proposed as a possible treatment strategy, due to the long-standing experience gained from other gastrointestinal conditions. In particular, lactoferrin is a pleiotropic glycoprotein with antioxidant, anti-inflammatory, antithrombotic, and immunomodulatory activities. Moreover, it seems to have several physiological functions to protect the gastrointestinal tract. In this regard, we described the resolution of symptoms after the start of therapy with high doses of oral lactoferrin in two patients referred to our post-COVID pediatric unit due to chronic gastrointestinal symptoms after SARS-CoV-2 infection.
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30
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Li Y, Dong L, Mu Z, Liu L, Yang J, Wu Z, Pan D, Liu L. Research Advances of Lactoferrin in Electrostatic Spinning, Nano Self-Assembly, and Immune and Gut Microbiota Regulation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:10075-10089. [PMID: 35968926 DOI: 10.1021/acs.jafc.2c04241] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Lactoferrin (LF) is a naturally present iron-binding globulin with the structural properties of an N-lobe strongly positively charged terminus and a cage-like structure of nano self-assembly encapsulation. These unique structural properties give it potential for development in the fields of electrostatic spinning, targeted delivery systems, and the gut-brain axis. This review will provide an overview of LF's unique structure, encapsulation, and targeted transport capabilities, as well as its applications in immunity and gut microbiota regulation. First, the microstructure of LF is summarized and compared with its homologous ferritin, revealing both structural and functional similarities and differences between them. Second, the electrostatic interactions of LF and its application in electrostatic spinning are summarized. Its positive charge properties can be applied to functional environmental protection packaging materials and to improving drug stability and antiviral effects, while electrostatic spinning can promote bone regeneration and anti-inflammatory effects. Then the nano self-assembly behavior of LF is exploited as a cage-like protein to encapsulate bioactive substances to construct functional targeted delivery systems for applications such as contrast agents, antibacterial dressings, anti-cancer therapy, and gene delivery. In addition, some covalent and noncovalent interactions of LF in the Maillard reaction and protein interactions and other topics are briefly discussed. Finally, LF may affect immunological function via controlling the gut microbiota. In conclusion, this paper reviews the research advances of LF in electrostatic spinning, nano self-assembly, and immune and gut microbiota regulation, aiming to provide a reference for its application in the food and pharmaceutical fields.
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Affiliation(s)
- Ying Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Lezhen Dong
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Zhishen Mu
- Inner Mongolia Enterprise Technology Center, Inner Mongolia Mengniu Dairy (Group) Co., Ltd., Huhhot 011500, PR China
| | - Lingyi Liu
- Department of Food Science and Technology, University of Nebraska─Lincoln, Lincoln, Nebraska 68588-6205, United States
| | - Junsi Yang
- Department of Food Science and Technology, University of Nebraska─Lincoln, Lincoln, Nebraska 68588-6205, United States
| | - Zufang Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Daodong Pan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
| | - Lianliang Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang, School of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, Zhejiang 315211, PR China
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D’Amico F, Decembrino N, Muratore E, Turroni S, Muggeo P, Mura R, Perruccio K, Vitale V, Zecca M, Prete A, Venturelli F, Leardini D, Brigidi P, Masetti R, Cesaro S, Zama D. Oral Lactoferrin Supplementation during Induction Chemotherapy Promotes Gut Microbiome Eubiosis in Pediatric Patients with Hematologic Malignancies. Pharmaceutics 2022; 14:pharmaceutics14081705. [PMID: 36015331 PMCID: PMC9416448 DOI: 10.3390/pharmaceutics14081705] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/13/2022] [Accepted: 08/14/2022] [Indexed: 12/19/2022] Open
Abstract
Induction chemotherapy is the first-line treatment for pediatric patients with hematologic malignancies. However, several complications may arise, mainly infections and febrile neutropenia, with a strong impact on patient morbidity and mortality. Such complications have been shown to be closely related to alterations of the gut microbiome (GM), making the design of strategies to foster its eubiosis of utmost clinical importance. Here, we evaluated the impact of oral supplementation of lactoferrin (LF), a glycoprotein endowed with anti-inflammatory, immunomodulatory and antimicrobial activities, on GM dynamics in pediatric oncohematologic patients during induction chemotherapy. Specifically, we conducted a double blind, placebo-controlled trial in which GM was profiled through 16S rRNA gene sequencing before and after two weeks of oral supplementation with LF or placebo. LF was safely administered with no adverse effects and promoted GM homeostasis by favoring the maintenance of diversity and preventing the bloom of pathobionts (e.g., Enterococcus). LF could, therefore, be a promising adjunct to current therapeutic strategies in these fragile individuals to reduce the risk of GM-related complications.
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Affiliation(s)
- Federica D’Amico
- Microbiomics Unit, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy
| | - Nunzia Decembrino
- Neonatal Intensive Care Unit-AOU Policlinico “Rodolico-San Marco”, University of Catania, 95131 Catania, Italy
- Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy
| | - Edoardo Muratore
- Pediatric Hematology and Oncology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
- Correspondence: (E.M.); (S.T.)
| | - Silvia Turroni
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
- Correspondence: (E.M.); (S.T.)
| | - Paola Muggeo
- Pediatric Hematology and Oncology Department, University of Bari, 70121 Bari, Italy
| | - Rosamaria Mura
- Pediatric Hematology and Oncology Department, “A Cao” Microcitemic Pediatric Hospital, “Botzu” Medical Center, 09100 Cagliari, Italy
| | - Katia Perruccio
- Pediatric Hematology and Oncology Department, “Santa Maria della Misericordia” Hospital, 06132 Perugia, Italy
| | - Virginia Vitale
- Pediatric Hematology and Oncology, Department of Mother and Child, Azienda Ospedaliera Universitaria Integrata, 37126 Verona, Italy
| | - Marco Zecca
- Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy
| | - Arcangelo Prete
- Pediatric Hematology and Oncology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Francesco Venturelli
- Pediatric Hematology and Oncology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, 40138 Bologna, Italy
| | - Davide Leardini
- Pediatric Hematology and Oncology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Patrizia Brigidi
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy
| | - Riccardo Masetti
- Pediatric Hematology and Oncology Department, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy
| | - Simone Cesaro
- Pediatric Hematology and Oncology, Department of Mother and Child, Azienda Ospedaliera Universitaria Integrata, 37126 Verona, Italy
| | - Daniele Zama
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40138 Bologna, Italy
- Pediatric Emergency Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
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Efrain Molotla-Torres D, Mario Hernández-Soto L, Guzmán-Mejía F, Godínez-Victoria M, Elisa Drago-Serrano M, Félix Aguirre-Garrido J. Oral bovine lactoferrin modulation on fecal microbiota of mice underwent immobilization stress. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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33
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Li DM, Wu YX, Hu ZQ, Wang TC, Zhang LL, Zhou Y, Tong X, Xu JY, Qin LQ. Lactoferrin Prevents Chronic Alcoholic Injury by Regulating Redox Balance and Lipid Metabolism in Female C57BL/6J Mice. Antioxidants (Basel) 2022; 11:antiox11081508. [PMID: 36009227 PMCID: PMC9405310 DOI: 10.3390/antiox11081508] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/19/2022] [Accepted: 07/29/2022] [Indexed: 02/01/2023] Open
Abstract
This study aimed to investigate the preventive effects of lactoferrin (Lf) on chronic alcoholic liver injury (ALI) in female mice. Female C57BL/6J mice were randomly divided into four groups: control group (CON), ethanol administration group (EtOH), low-dose Lf treatment group (LLf), and high-dose Lf group (HLf). In the last three groups, chronic ALI was induced by administering 20% ethanol ad libitum for 12 weeks. Mice in the CON and EtOH groups were fed with AIN-93G diet. Meanwhile, 0.4% and 4% casein in the AIN-93G diet were replaced by Lf as the diets of LLf and HLf groups, respectively. HLf significantly reduced hepatic triglyceride content and improved pathological morphology. HLf could inhibit cytochrome P450 2E1 overexpression and promote alcohol dehydrogenase-1 expression. HLf activated protein kinase B and AMP-activated protein kinase (AMPK), as well as upregulating nuclear-factor-erythroid-2-related factor-2 expression to elevate hepatic antioxidative enzyme activities. AMPK activation also benefited hepatic lipid metabolism. Meanwhile, HLf had no obvious beneficial effects on gut microbiota. In summary, Lf could alleviate chronic ALI in female mice, which was associated with redox balance and lipid metabolism regulation.
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Affiliation(s)
- De-Ming Li
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; (D.-M.L.); (Y.-X.W.); (Z.-Q.H.); (T.-C.W.); (L.-L.Z.); (Y.Z.)
| | - Yun-Xuan Wu
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; (D.-M.L.); (Y.-X.W.); (Z.-Q.H.); (T.-C.W.); (L.-L.Z.); (Y.Z.)
| | - Zhi-Qiang Hu
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; (D.-M.L.); (Y.-X.W.); (Z.-Q.H.); (T.-C.W.); (L.-L.Z.); (Y.Z.)
| | - Tian-Ci Wang
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; (D.-M.L.); (Y.-X.W.); (Z.-Q.H.); (T.-C.W.); (L.-L.Z.); (Y.Z.)
| | - Li-Li Zhang
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; (D.-M.L.); (Y.-X.W.); (Z.-Q.H.); (T.-C.W.); (L.-L.Z.); (Y.Z.)
| | - Yan Zhou
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; (D.-M.L.); (Y.-X.W.); (Z.-Q.H.); (T.-C.W.); (L.-L.Z.); (Y.Z.)
| | - Xing Tong
- Laboratory Center, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China;
| | - Jia-Ying Xu
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China
- Correspondence: (J.-Y.X.); (L.-Q.Q.)
| | - Li-Qiang Qin
- School of Public Health, Suzhou Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; (D.-M.L.); (Y.-X.W.); (Z.-Q.H.); (T.-C.W.); (L.-L.Z.); (Y.Z.)
- Correspondence: (J.-Y.X.); (L.-Q.Q.)
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Thakur S, Sheppard JD. Gut Microbiome and Its Influence On Ocular Surface and Ocular Surface Diseases. Eye Contact Lens 2022; 48:278-282. [PMID: 35580364 DOI: 10.1097/icl.0000000000000905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2022] [Indexed: 12/25/2022]
Abstract
ABSTRACT The gut microbiome plays a substantial immunologic and pathophysiologic role in maintaining the health of the host, and dysregulation of this dynamic ecosystem has been associated with several inflammatory conditions. Many studies have explored the influence of gut microbiota on the ocular surface and whether gut microbiota impact the pathophysiology of ophthalmic conditions. These findings have highlighted the advantages of enhancing gut microbes through probiotics, prebiotics, diet, vitamin supplementations, and fecal microbial transplant in clinical practice. The purpose of this review article was to provide an up-to-date overview of the knowledge on this topic. Further exploration of this area of research is important to help guide new therapeutic targets to develop treatment and prevention of certain ocular surface diseases.
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Affiliation(s)
- Shambhawi Thakur
- Eastern Virginia Medical School (S.T.), Norfolk, VA; and Virginia Eye Consultants (J.D.S.), Norfolk, VA
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35
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Effect of bovine lactoferrin on recurrent urinary tract infections: in vitro and in vivo evidences. Biometals 2022; 36:491-507. [PMID: 35768747 DOI: 10.1007/s10534-022-00409-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 06/09/2022] [Indexed: 11/02/2022]
Abstract
Uropathogenic Escherichia coli (UPEC) strains are the primary cause of urinary tract infections (UTIs). UPEC strains are able to invade, multiply and persisting in host cells. Therefore, UPEC strains are associated to recurrent UTIs requiring long-term antibiotic therapy. However, this therapy is suboptimal due to the increase of multidrug-resistant UPEC. The use of non-antibiotic treatments for managing UTIs is required. Among these, bovine lactoferrin (bLf), a multifunctional cationic glycoprotein, could be a promising tool because inhibits the entry into the host cells of several intracellular bacteria. Here, we demonstrate that 100 μg/ml bLf hinders the invasion of 2.0 ± 0.5 × 104 CFU/ml E. coli CFT073, prototype of UPEC, infecting 2.0 ± 0.5 × 105 cells/ml urinary bladder T24 epithelial cells. The highest protection (100%) is due to the bLf binding with host surface components even if an additional binding to bacterial surface components cannot be excluded. Of note, in the absence of bLf, UPEC survives and multiplies, while bLf significantly decreases bacterial intracellular survival. After these encouraging results, an observational survey on thirty-three patients affected by recurrent cystitis was performed. The treatment consisted in the oral administration of bLf alone or in combination with antibiotics and/or probiotics. After the observation period, a marked reduction of cystitis episodes was observed (p < 0.001) in all patients compared to the episodes occurred during the 6 months preceding the bLf-treatment. Twenty-nine patients did not report cystitis episodes (87.9%) whereas the remaining four (12.1%) experienced only one episode, indicating that bLf could be a worthwhile and safe treatment in counteracting recurrent cystitis.
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36
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Boudar Z, Sehli S, El Janahi S, Al Idrissi N, Hamdi S, Dini N, Brim H, Amzazi S, Nejjari C, Lloyd-Puryear M, Ghazal H. Metagenomics Approaches to Investigate the Neonatal Gut Microbiome. Front Pediatr 2022; 10:886627. [PMID: 35799697 PMCID: PMC9253679 DOI: 10.3389/fped.2022.886627] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 05/23/2022] [Indexed: 12/03/2022] Open
Abstract
Early infancy is critical for the development of an infant's gut flora. Many factors can influence microbiota development during the pre- and postnatal periods, including maternal factors, antibiotic exposure, mode of delivery, dietary patterns, and feeding type. Therefore, investigating the connection between these variables and host and microbiome interactions in neonatal development would be of great interest. As the "unculturable" era of microbiome research gives way to an intrinsically multidisciplinary field, microbiome research has reaped the advantages of technological advancements in next-generation sequencing, particularly 16S rRNA gene amplicon and shotgun sequencing, which have considerably expanded our knowledge about gut microbiota development during early life. Using omics approaches to explore the neonatal microbiome may help to better understand the link between the microbiome and newborn diseases. Herein, we summarized the metagenomics methods and tools used to advance knowledge on the neonatal microbiome origin and evolution and how the microbiome shapes early and late individuals' lives for health and disease. The way to overcome limitations in neonatal microbiome studies will be discussed.
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Affiliation(s)
- Zakia Boudar
- Department of Fundamental Sciences, School of Medicine, Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Sofia Sehli
- Department of Fundamental Sciences, School of Medicine, Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Sara El Janahi
- Department of Fundamental Sciences, School of Medicine, Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Najib Al Idrissi
- Department of Surgery, Faculty of Medicine, Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
| | - Salsabil Hamdi
- Laboratory of Genomics and Bioinformatics, School of Pharmacy, Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
| | - Nouzha Dini
- Mother and Child Department, Cheikh Khalifa International University Hospital, Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
| | - Hassan Brim
- Department of Pathology, Howard University, Washington, DC, United States
| | - Saaïd Amzazi
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, and Genomic Center of Human Pathologies, Faculty of Medicine and Pharmacy, Mohammed V University, Rabat, Morocco
| | - Chakib Nejjari
- Department of Epidemiology and Biostatistics, International School of Public Health, Mohammed VI University of Health Sciences, Casablanca, Morocco
- Department of Epidemiology and Public Health, Faculty of Medicine, University Sidi Mohammed Ben Abdellah, Fez, Morocco
| | | | - Hassan Ghazal
- Department of Fundamental Sciences, School of Medicine, Mohammed VI University of Health Sciences, Casablanca, Morocco
- National Center for Scientific and Technical Research, Rabat, Morocco
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37
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Bellés A, Aguirre-Ramírez D, Abad I, Parras-Moltó M, Sánchez L, Grasa L. Lactoferrin modulates gut microbiota and Toll-like receptors (TLRs) in mice with dysbiosis induced by antibiotics. Food Funct 2022; 13:5854-5869. [PMID: 35545893 DOI: 10.1039/d2fo00287f] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background: Antibiotic administration can result in gut microbiota and immune system alterations that impact health. Bovine lactoferrin is a milk protein with anticancer, anti-inflammatory, antimicrobial and immune modulatory activities. The aim was to study the ability of native and iron-saturated lactoferrin to reverse the effects of clindamycin on gut microbiota and intestinal Toll-like receptor (TLR) expression in a murine model. Methods: Male C57BL/6 mice were treated with vehicle, clindamycin (Clin), native bovine lactoferrin (nLf), nLf + clindamycin (nLf_Clin), iron-saturated bovine lactoferrin (sLf) and sLf + clindamycin (sLf_Clin). Fecal samples of each group were collected, and bacterial DNA was extracted. Sequencing of 16s rRNA V4 hypervariable gene regions was conducted to assess the microbial composition. mRNA expression levels of TLRs (1-9) were determined in mouse colon by qPCR. Pearson's correlation test was carried out between bacteria showing differences in abundance among samples and TLR2, TLR8 and TLR9. Results: Beta-diversity analysis showed that the microbial community of the vehicle was different from the communities of Clin, nLf_Clin and sLf_Clin. At the family level, Bacteroidaceae, Prevotellaceae and Rikenellaceae decreased in the Clin group, and treatment with nLf or sLf reverted these effects. Clin reduced the expression of TLR2, TLR8 and TLR9 and sLf reverted the decrease in the expression of these receptors. Finally, TLR8 was positively correlated with Rikenellaceae abundance. Conclusion: In a situation of intestinal dysbiosis induced by clindamycin, lactoferrin restores the normal levels of some anti-inflammatory bacteria and TLRs and, therefore, could be a good ingredient to be added to functional foods.
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Affiliation(s)
- Andrea Bellés
- Universidad de Zaragoza, Facultad de Veterinaria, Departamento de Farmacología, Fisiología y Medicina Legal y Forense, Zaragoza, Spain. .,Instituto Agroalimentario de Aragón IA2 (UNIZAR-CITA), Zaragoza, Spain
| | - Diego Aguirre-Ramírez
- Universidad de Zaragoza, Facultad de Veterinaria, Departamento de Farmacología, Fisiología y Medicina Legal y Forense, Zaragoza, Spain.
| | - Inés Abad
- Instituto Agroalimentario de Aragón IA2 (UNIZAR-CITA), Zaragoza, Spain.,Universidad de Zaragoza, Facultad de Veterinaria, Departamento de Producción Animal y Tecnología de los Alimentos, Zaragoza, Spain
| | - Marcos Parras-Moltó
- Department of Mathematical Sciences, Chalmers University of Technology and University of Gothenburg, Gothenburg, Sweden.,Centre for Antibiotic Resistance Research, University of Gothenburg, Gothenburg, Sweden.,Igenomix Foundation/INCLIVA Biomedical Research Institute, Spain.,Department of Science, Universidad Internacional de Valencia-VIU, Valencia, Spain
| | - Lourdes Sánchez
- Instituto Agroalimentario de Aragón IA2 (UNIZAR-CITA), Zaragoza, Spain.,Universidad de Zaragoza, Facultad de Veterinaria, Departamento de Producción Animal y Tecnología de los Alimentos, Zaragoza, Spain
| | - Laura Grasa
- Universidad de Zaragoza, Facultad de Veterinaria, Departamento de Farmacología, Fisiología y Medicina Legal y Forense, Zaragoza, Spain. .,Instituto Agroalimentario de Aragón IA2 (UNIZAR-CITA), Zaragoza, Spain.,Instituto de Investigación Sanitaria de Aragón (IIS Aragón), Zaragoza, Spain
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Lactoferrin as a Human Genome “Guardian”—An Overall Point of View. Int J Mol Sci 2022; 23:ijms23095248. [PMID: 35563638 PMCID: PMC9105968 DOI: 10.3390/ijms23095248] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/06/2022] [Accepted: 05/06/2022] [Indexed: 11/22/2022] Open
Abstract
Structural abnormalities causing DNA modifications of the ethene and propanoadducts can lead to mutations and permanent damage to human genetic material. Such changes may cause premature aging and cell degeneration and death as well as severe impairment of tissue and organ function. This may lead to the development of various diseases, including cancer. In response to a damage, cells have developed defense mechanisms aimed at preventing disease and repairing damaged genetic material or diverting it into apoptosis. All of the mechanisms described above are part of the repertoire of action of Lactoferrin—an endogenous protein that contains iron in its structure, which gives it numerous antibacterial, antiviral, antifungal and anticancer properties. The aim of the article is to synthetically present the new and innovative role of lactoferrin in the protection of human genetic material against internal and external damage, described by the modulation mechanisms of the cell cycle at all its levels and the mechanisms of its repair.
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Bielecka M, Cichosz G, Czeczot H. Antioxidant, antimicrobial and anticarcinogenic activities of bovine milk proteins and their hydrolysates - A review. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2021.105208] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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40
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A review on lactoferrin as a proton pump inhibitor. Int J Biol Macromol 2022; 202:309-317. [PMID: 35038474 DOI: 10.1016/j.ijbiomac.2022.01.075] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/11/2022] [Accepted: 01/11/2022] [Indexed: 12/12/2022]
Abstract
Lactoferrin (Lf) is a versatile natural milk-derived protein that exhibits multiple interesting biological activities. Since it is safe for human administration and currently manufactured using low cost and well-established large-scale processes, the Lf scientific community has been devoted at dissecting its mechanisms of action towards its more rational and efficient use for various applications. Emerging literature has identified proton pumping ATPases as molecular targets of Lf in different cellular models linked to distinct activities of this natural protein. Information on this subject has not been systematically analysed before, hence herein we review the current state of art on the effect of Lf on proton pumping ATPases. Though structurally different, we propose that Lf holds a proton pump inhibitor (PPI)-like activity based on the functional resemblance with the classical inhibitors of the stomach H+/K+-ATPase. The downstream events and outcomes of the PPI-like activity of Lf, as well as its impact for the development of improved Lf applications are also discussed.
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41
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de Weerth C, Aatsinki AK, Azad MB, Bartol FF, Bode L, Collado MC, Dettmer AM, Field CJ, Guilfoyle M, Hinde K, Korosi A, Lustermans H, Mohd Shukri NH, Moore SE, Pundir S, Rodriguez JM, Slupsky CM, Turner S, van Goudoever JB, Ziomkiewicz A, Beijers R. Human milk: From complex tailored nutrition to bioactive impact on child cognition and behavior. Crit Rev Food Sci Nutr 2022; 63:7945-7982. [PMID: 35352583 DOI: 10.1080/10408398.2022.2053058] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Human milk is a highly complex liquid food tailor-made to match an infant's needs. Beyond documented positive effects of breastfeeding on infant and maternal health, there is increasing evidence that milk constituents also impact child neurodevelopment. Non-nutrient milk bioactives would contribute to the (long-term) development of child cognition and behavior, a process termed 'Lactocrine Programming'. In this review we discuss the current state of the field on human milk composition and its links with child cognitive and behavioral development. To promote state-of-the-art methodologies and designs that facilitate data pooling and meta-analytic endeavors, we present detailed recommendations and best practices for future studies. Finally, we determine important scientific gaps that need to be filled to advance the field, and discuss innovative directions for future research. Unveiling the mechanisms underlying the links between human milk and child cognition and behavior will deepen our understanding of the broad functions of this complex liquid food, as well as provide necessary information for designing future interventions.
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Affiliation(s)
- Carolina de Weerth
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition, and Behavior, Radboud University Medical Center, EN Nijmegen, The Netherlands
| | - Anna-Katariina Aatsinki
- FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Department of Clinical Medicine, University of Turku, Turku, Finland
| | - Meghan B Azad
- Department of Pediatrics and Child Health, Manitoba Interdisciplinary Lactation Centre, Children's Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Frank F Bartol
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, Alabama, USA
| | - Lars Bode
- Department of Pediatrics and Mother-Milk-Infant Center of Research Excellence (MOMI CORE), University of California San Diego, La Jolla, California, USA
| | - Maria Carmen Collado
- Department of Biotechnology, Institute of Agrochemistry and Food Technology-National Research Council (IATA-CSIC), Paterna, Valencia, Spain
| | - Amanda M Dettmer
- Yale Child Study Center, Yale School of Medicine, New Haven, Connecticut, USA
| | - Catherine J Field
- Department of Agricultural, Food and Nutritional Science, College of Basic and Applied Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Meagan Guilfoyle
- Department of Anthropology, Indiana University, Bloomington, Indiana, USA
| | - Katie Hinde
- School of Human Evolution and Social Change, Arizona State University, Tempe, Arizona, USA
| | - Aniko Korosi
- Swammerdam Institute for Life Sciences, Center for Neuroscience, Brain Plasticity group, University of Amsterdam, Amsterdam, The Netherlands
| | - Hellen Lustermans
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition, and Behavior, Radboud University Medical Center, EN Nijmegen, The Netherlands
| | - Nurul Husna Mohd Shukri
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia
| | - Sophie E Moore
- Department of Women & Children's Health, King's College London, St Thomas' Hospital, London, UK
- School of Hygiene and Tropical Medicine, Nutrition Theme, MRC Unit The Gambia and the London, Fajara, The GambiaBanjul
| | - Shikha Pundir
- The Liggins Institute, The University of Auckland, Auckland, New Zealand
| | - Juan Miguel Rodriguez
- Department of Nutrition and Food Science, Complutense University of Madrid, Madrid, Spain
| | - Carolyn M Slupsky
- Department of Nutrition and Department of Food Science and Technology, University of California, Davis, California, USA
| | - Sarah Turner
- Department of Community Health Sciences, Manitoba Interdisciplinary Lactation Centre, Children's Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Johannes B van Goudoever
- Department of Pediatrics, Amsterdam UMC, University of Amsterdam, Vrije Universiteit, Emma Children's Hospital, Amsterdam, The Netherlands
| | - Anna Ziomkiewicz
- Department of Anthropology, Institute of Zoology and Biomedical Research, Jagiellonian University, Krakow, Poland
| | - Roseriet Beijers
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition, and Behavior, Radboud University Medical Center, EN Nijmegen, The Netherlands
- Department of Social Development, Behavioural Science Institute, Radboud University, Nijmegen, The Netherlands
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Ramírez-Rico G, Drago-Serrano ME, León-Sicairos N, de la Garza M. Lactoferrin: A Nutraceutical with Activity against Colorectal Cancer. Front Pharmacol 2022; 13:855852. [PMID: 35264972 PMCID: PMC8899398 DOI: 10.3389/fphar.2022.855852] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 01/31/2022] [Indexed: 12/29/2022] Open
Abstract
Homeostasis in the human body results from the tight regulation of several events, since too little inflammation disrupts the process of tissue repair and remodeling, whereas too much exerts a collateral effect by causing tissue damage with life-threatening consequences. In some clinical conditions, such as inflammatory bowel disease (IBD), inflammation functions as a double-edged sword by either enabling or inhibiting cancer development and progression. Generally, cancer develops through evasion mechanisms that regulate cell growth, causing a high rate of uncontrolled proliferation, and mechanisms for evading cell death, such as apoptosis. Moreover, chronic inflammation is a factor that contributes to colorectal cancer (CRC), as observed in individuals with IBD; all these conditions favor an increased rate of angiogenesis and eventual metastasis. Lactoferrin (Lf) is a mammalian iron-binding multifunctional glycoprotein regarded as a natural compound that up- and downregulates both humoral and cellular components of immunity involved in regulating the inflammatory response and maintaining gut homeostasis. Human and bovine Lf share high sequence homology and have very similar antimicrobial, anti-inflammatory, and immunomodulatory activities. Bovine Lf from milk is considered a safe molecule and is commercially available in large quantities. This review mainly focuses on the regulatory effects of orally administered bovine Lf on the inflammatory response associated with CRC; this approach indicates that CRC is one of the most frequently diagnosed cancers and affects the intestinal tract with high clinical and epidemiologic relevance. Thus, this review may provide foundations for the potential use of bovine Lf alone or as a natural adjunct agent to increase the effectiveness and reduce the side effects of anticancer chemotherapy.
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Affiliation(s)
- Gerardo Ramírez-Rico
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados Del Instituto Politécnico Nacional (CINVESTAV-IPN), México City, Mexico
- Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México (UNAM), México City, Mexico
| | - Maria Elisa Drago-Serrano
- Departamento de Sistemas Biológicos, Universidad Autónoma Metropolitana Unidad Xochimilco, Mexico City, Mexico
| | - Nidia León-Sicairos
- Centro de Investigación Aplicada a La Salud Pública (CIASaP), Facultad de Medicina, Universidad Autónoma de Sinaloa, Culiacán, Mexico
- Hospital Pediátrico de Sinaloa, Culiacán, Mexico
| | - Mireya de la Garza
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados Del Instituto Politécnico Nacional (CINVESTAV-IPN), México City, Mexico
- *Correspondence: Mireya de la Garza,
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Zhao X, Zhang X, Xu T, Luo J, Luo Y, An P. Comparative Effects between Oral Lactoferrin and Ferrous Sulfate Supplementation on Iron-Deficiency Anemia: A Comprehensive Review and Meta-Analysis of Clinical Trials. Nutrients 2022; 14:nu14030543. [PMID: 35276902 PMCID: PMC8838920 DOI: 10.3390/nu14030543] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/22/2022] [Accepted: 01/25/2022] [Indexed: 02/04/2023] Open
Abstract
Ferrous sulfate is a commonly used iron supplement for the correction of iron-deficiency anemia but with frequent gastrointestinal side effects. Milk-derived iron-binding glycoprotein lactoferrin possesses well gastrointestinal tolerance and fewer side effects caused by the intake of high-dose iron. However, the underlying mechanism of the iron-enhancing effect of lactoferrin remains unclear. In addition, the comparative efficacies between lactoferrin and ferrous sulfate are also remained to be determined. We conducted a systematic review and meta-analysis on published intervention studies to investigate how lactoferrin modulate iron metabolism and evaluate the comparative effects between lactoferrin and ferrous sulfate supplementation on iron absorption, iron storage, erythropoiesis and inflammation. Lactoferrin supplementation had better effects on serum iron (WMD: 41.44 ug/dL; p < 0.00001), ferritin (WMD: 13.60 ng/mL; p = 0.003) and hemoglobin concentration (11.80 g/dL; p < 0.00001), but a reducing effect on fractional iron absorption (WMD: −2.08%; p = 0.02) and IL-6 levels (WMD: −45.59 pg/mL; p < 0.00001) compared with ferrous sulfate. In conclusion, this study supports lactoferrin as a superior supplement to ferrous sulfate regarding the improvement in serum iron parameters and hemoglobin levels. Considering the weak influence of lactoferrin on iron absorption, the anti-inflammation effect of lactoferrin may be the potential mechanism to explain its efficacy on iron status and erythropoiesis.
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Affiliation(s)
| | | | | | | | | | - Peng An
- Correspondence: (J.L.); (Y.L.); (P.A.)
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Duale A, Singh P, Al Khodor S. Breast Milk: A Meal Worth Having. Front Nutr 2022; 8:800927. [PMID: 35155521 PMCID: PMC8826470 DOI: 10.3389/fnut.2021.800927] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Accepted: 12/20/2021] [Indexed: 12/11/2022] Open
Abstract
A mother is gifted with breast milk, the natural source of nutrition for her infant. In addition to the wealth of macro and micro-nutrients, human milk also contains many microorganisms, few of which originate from the mother, while others are acquired from the mouth of the infant and the surroundings. Among these microbes, the most commonly residing bacteria are Staphylococci, Streptococci, Lactobacilli and Bifidobacteria. These microorganisms initiate and help the development of the milk microbiota as well as the microbiota of the gastrointestinal tract in infants, and contribute to developing immune regulatory factors such as cytokines, growth factors, lactoferrin among others. These factors play an important role in reducing the risk of developing chronic diseases like type 2 diabetes, asthma and others later in life. In this review, we will summarize the known benefits of breastfeeding and highlight the role of the breast milk microbiota and its cross-talk with the immune system in breastfed babies during the early years of life.
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Affiliation(s)
- Anoud Duale
- Division of Maternal and Child Health, Department of Translational Medicine, Research Branch, Sidra Medicine, Doha, Qatar
| | - Parul Singh
- Division of Maternal and Child Health, Department of Translational Medicine, Research Branch, Sidra Medicine, Doha, Qatar
- College of Health and Life Sciences, Hamad Bin Khalifa University, Ar-Rayyan, Qatar
| | - Souhaila Al Khodor
- Division of Maternal and Child Health, Department of Translational Medicine, Research Branch, Sidra Medicine, Doha, Qatar
- *Correspondence: Souhaila Al Khodor
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Biological Effects of Indole-3-Propionic Acid, a Gut Microbiota-Derived Metabolite, and Its Precursor Tryptophan in Mammals' Health and Disease. Int J Mol Sci 2022; 23:ijms23031222. [PMID: 35163143 PMCID: PMC8835432 DOI: 10.3390/ijms23031222] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/19/2022] [Accepted: 01/19/2022] [Indexed: 02/06/2023] Open
Abstract
Actions of symbiotic gut microbiota are in dynamic balance with the host’s organism to maintain homeostasis. Many different factors have an impact on this relationship, including bacterial metabolites. Several substrates for their synthesis have been established, including tryptophan, an exogenous amino acid. Many biological processes are influenced by the action of tryptophan and its endogenous metabolites, serotonin, and melatonin. Recent research findings also provide evidence that gut bacteria-derived metabolites of tryptophan share the biological effects of their precursor. Thus, this review aims to investigate the biological actions of indole-3-propionic acid (IPA), a gut microbiota-derived metabolite of tryptophan. We searched PUBMED and Google Scholar databases to identify pre-clinical and clinical studies evaluating the impact of IPA on the health and pathophysiology of the immune, nervous, gastrointestinal and cardiovascular system in mammals. IPA exhibits a similar impact on the energetic balance and cardiovascular system to its precursor, tryptophan. Additionally, IPA has a positive impact on a cellular level, by preventing oxidative stress injury, lipoperoxidation and inhibiting synthesis of proinflammatory cytokines. Its synthesis can be diminished in the presence of different risk factors of atherosclerosis. On the other hand, protective factors, such as the introduction of a Mediterranean diet, tend to increase its plasma concentration. IPA seems to be a promising new target, linking gut health with the cardiovascular system.
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Escobar‐Salom M, Torrens G, Jordana‐Lluch E, Oliver A, Juan C. Mammals' humoral immune proteins and peptides targeting the bacterial envelope: from natural protection to therapeutic applications against multidrug‐resistant
Gram
‐negatives. Biol Rev Camb Philos Soc 2022; 97:1005-1037. [PMID: 35043558 PMCID: PMC9304279 DOI: 10.1111/brv.12830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 12/12/2021] [Accepted: 12/15/2021] [Indexed: 12/11/2022]
Abstract
Mammalian innate immunity employs several humoral ‘weapons’ that target the bacterial envelope. The threats posed by the multidrug‐resistant ‘ESKAPE’ Gram‐negative pathogens (Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp.) are forcing researchers to explore new therapeutic options, including the use of these immune elements. Here we review bacterial envelope‐targeting (peptidoglycan and/or membrane‐targeting) proteins/peptides of the mammalian immune system that are most likely to have therapeutic applications. Firstly we discuss their general features and protective activity against ESKAPE Gram‐negatives in the host. We then gather, integrate, and discuss recent research on experimental therapeutics harnessing their bactericidal power, based on their exogenous administration and also on the discovery of bacterial and/or host targets that improve the performance of this endogenous immunity, as a novel therapeutic concept. We identify weak points and knowledge gaps in current research in this field and suggest areas for future work to obtain successful envelope‐targeting therapeutic options to tackle the challenge of antimicrobial resistance.
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Affiliation(s)
- María Escobar‐Salom
- Department of Microbiology University Hospital Son Espases‐Health Research Institute of the Balearic Islands (IdISBa) Carretera de Valldemossa 79 Palma Balearic Islands 07010 Spain
| | - Gabriel Torrens
- Department of Microbiology University Hospital Son Espases‐Health Research Institute of the Balearic Islands (IdISBa) Carretera de Valldemossa 79 Palma Balearic Islands 07010 Spain
| | - Elena Jordana‐Lluch
- Department of Microbiology University Hospital Son Espases‐Health Research Institute of the Balearic Islands (IdISBa) Carretera de Valldemossa 79 Palma Balearic Islands 07010 Spain
| | - Antonio Oliver
- Department of Microbiology University Hospital Son Espases‐Health Research Institute of the Balearic Islands (IdISBa) Carretera de Valldemossa 79 Palma Balearic Islands 07010 Spain
| | - Carlos Juan
- Department of Microbiology University Hospital Son Espases‐Health Research Institute of the Balearic Islands (IdISBa) Carretera de Valldemossa 79 Palma Balearic Islands 07010 Spain
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Artym J, Zimecki M. Antimicrobial and Prebiotic Activity of Lactoferrin in the Female Reproductive Tract: A Comprehensive Review. Biomedicines 2021; 9:biomedicines9121940. [PMID: 34944756 PMCID: PMC8699013 DOI: 10.3390/biomedicines9121940] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/13/2021] [Accepted: 12/15/2021] [Indexed: 12/14/2022] Open
Abstract
Women’s intimate health depends on several factors, such as age, diet, coexisting metabolic disorders, hormonal equilibrium, sexual activity, drug intake, contraception, surgery, and personal hygiene. These factors may affect the homeostasis of the internal environment of the genital tract: the vulva, vagina and cervix. This equilibrium is dependent on strict and complex mutual interactions between epithelial cells, immunocompetent cells and microorganisms residing in this environment. The microbiota of the genital tract in healthy women is dominated by several species of symbiotic bacteria of the Lactobacillus genus. The bacteria inhibit the growth of pathogenic microorganisms and inflammatory processes by virtue of direct and multidirectional antimicrobial action and, indirectly, by the modulation of immune system activity. For the homeostasis of the genital tract ecosystem, antimicrobial and anti-inflammatory peptides, as well as proteins secreted by mucus cells into the cervicovaginal fluid, have a fundamental significance. Of these, a multifunctional protein known as lactoferrin (LF) is one of the most important since it bridges innate and acquired immunity. Among its numerous properties, particular attention should be paid to prebiotic activity, i.e., exerting a beneficial action on symbiotic microbiota of the gastrointestinal and genital tract. Such activity of LF is associated with the inhibition of bacterial and fungal infections in the genital tract and their consequences, such as endometritis, pelvic inflammation, urinary tract infections, miscarriage, premature delivery, and infection of the fetus and newborns. The aim of this article is to review the results of laboratory as well as clinical trials, confirming the prebiotic action of LF on the microbiota of the lower genital tract.
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Wang Y, Ze X, Rui B, Li X, Zeng N, Yuan J, Li W, Yan J, Li M. Studies and Application of Sialylated Milk Components on Regulating Neonatal Gut Microbiota and Health. Front Nutr 2021; 8:766606. [PMID: 34859034 PMCID: PMC8631720 DOI: 10.3389/fnut.2021.766606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 10/18/2021] [Indexed: 12/13/2022] Open
Abstract
Breast milk is rich in sialic acids (SA), which are commonly combined with milk oligosaccharides and glycoconjugates. As a functional nutrient component, SA-containing milk components have received increasing attention in recent years. Sialylated human milk oligosaccharides (HMOs) have been demonstrated to promote the growth and metabolism of beneficial gut microbiota in infants, bringing positive outcomes to intestinal health and immune function. They also exhibit antiviral and bacteriostatic activities in the intestinal mucosa of new-borns, thereby inhibiting the adhesion of pathogens to host cells. These properties play a pivotal role in regulating the intestinal microbial ecosystem and preventing the occurrence of neonatal inflammatory diseases. In addition, some recent studies also support the promoting effects of sialylated HMOs on neonatal bone and brain development. In addition to HMOs, sialylated glycoproteins and glycolipids are abundant in milk, and are also critical to neonatal health. This article reviews the current research progress in the regulation of sialylated milk oligosaccharides and glycoconjugates on neonatal gut microbiota and health.
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Affiliation(s)
- Yushuang Wang
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Xiaolei Ze
- Science and Technology Centre, By-Health Co., Ltd., Guangzhou, China
| | - Binqi Rui
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Xinke Li
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Nina Zeng
- Science and Technology Centre, By-Health Co., Ltd., Guangzhou, China
| | - Jieli Yuan
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Wenzhe Li
- College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Jingyu Yan
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, China
| | - Ming Li
- College of Basic Medical Science, Dalian Medical University, Dalian, China
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Ramírez-Rico G, Martinez-Castillo M, Avalos-Gómez C, de la Garza M. Bovine apo-lactoferrin affects the secretion of proteases in Mannheimia haemolytica A2. Access Microbiol 2021; 3:000269. [PMID: 34816089 PMCID: PMC8604176 DOI: 10.1099/acmi.0.000269] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 08/23/2021] [Indexed: 02/05/2023] Open
Abstract
Mannheimia haemolytica serotype A2 is the main bacterial causative agent of ovine mannheimiosis, a disease that leads to substantial economic losses for livestock farmers. Several virulence factors allow M. haemolytica to colonize the lungs and establish infection. Virulence factors can be directly secreted into the environment by bacteria but are also released through outer membrane vesicles (OMVs). In addition, due to the abuse of antibiotics in the treatment of this disease, multidrug-resistant bacterial strains of M. haemolytica have emerged. One therapeutic alternative to antibiotics or an adjuvant to be used in combination with antibiotics could be lactoferrin (Lf), a multifunctional cationic glycoprotein of the mammalian innate immune system to which no bacterial resistance has been reported. The aim of this work was to determine the effect of bovine iron-free Lf (apo-BLf) on the production and secretion of proteases into culture supernatant (CS) and on their release in OMVs. Zymography assays showed that addition of sub-MIC concentrations of apo-BLf to M. haemolytica cultures inhibited protease secretion without affecting culture growth. Biochemical characterization revealed that these proteases were mainly cysteine- and metalloproteases. The secretion of a 100 kDa metalloprotease was inhibited by sub-MIC concentrations of apo-BLf since this protease was present in the cytoplasm and OMVs but not in CS proteins, as corroborated by Western blotting. On the other hand, proteases produced by M. haemolytica caused cleavage of apo-BLf. However, when Lf is cleaved, peptides known as lactoferricins, which are more bactericidal than natural Lf, can be produced. M. haemolytica A2 protease-mediated degradation of host tissue proteins could be an important virulence factor during the infectious process of pneumonia in ovines. The mechanism of M. haemolytica protease secretion could be inhibited by treatment with apo-BLf in animals.
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Affiliation(s)
- Gerardo Ramírez-Rico
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. IPN 2508, CdMx 07360, Mexico.,Present address: Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México (UNAM), Km 2.5 Carretera Cuautitlán-Teoloyucan, Cuautitlán Izcalli, 54714, Mexico
| | - Moises Martinez-Castillo
- Laboratorio de Hígado, Páncreas y Motilidad (HIPAM). Unidad de Investigación en Medicina Experimental, Facultad de Medicina, UNAM. Hospital General de México, Col Doctores, CdMx 06726, Mexico
| | - Christian Avalos-Gómez
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. IPN 2508, CdMx 07360, Mexico
| | - Mireya de la Garza
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. IPN 2508, CdMx 07360, Mexico
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