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Qaisar R, Hussain S, Karim A, Muhammad T, Ustrana S, Azhar Hussain M, Ahmad F. A leaky gut contributes to postural imbalance in male patients with chronic obstructive pulmonary disease. Clin Nutr ESPEN 2024; 62:157-163. [PMID: 38901937 DOI: 10.1016/j.clnesp.2024.05.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 05/15/2024] [Accepted: 05/23/2024] [Indexed: 06/22/2024]
Abstract
AIMS Patients with chronic obstructive pulmonary disease (COPD) frequently exhibit an inability to maintain postural balance. However, the contribution of increased intestinal permeability or leaky gut to the postural imbalance in COPD is not known. METHODS We measured plasma zonulin, a marker of leaky gut, with relevance to postural balance in male controls (n = 70) and patients with mild (n = 67), moderate (n = 66), and severe (n = 58) COPD. We employed a short physical performance battery to evaluate postural balance in supine, tandem, and semi-tandem positions. We also measured handgrip strength (HGS), gait speed, plasma c-reactive proteins (CRP), and 8-isoprostanes as potential mechanistic connections between postural imbalance and leaky gut. RESULTS COPD patients demonstrated higher plasma zonulin, CRP, and 8-isoprostanes levels and lower balance, HGS, and gait speed than controls (all p < 0.05). These findings were more robust in patients with moderate and severe than mild COPD. In addition, plasma zonulin exhibited significant potential in diagnosing poor balance, low HGS, and gait speed in COPD patients (all p < 0.05). We also found significant correlations of plasma zonulin with CRP and 8-isoprostanes, providing heightened inflammation and oxidative stress as mechanistic connections between leaky gut and postural imbalance. CONCLUSION Plasma zonulin may be helpful in evaluating postural imbalance in COPD patients. Repairing intestinal leaks can be a therapeutic target to improve postural control in COPD.
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Affiliation(s)
- Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates; Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates.
| | - Shah Hussain
- Medical Oncology Department, Hayatabad Medical Complex, Peshawar 25000, Khyber Pakhtunkhwa, Pakistan
| | - Asima Karim
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates; Iron Biology Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Tahir Muhammad
- Department of Biochemistry, Gomal Medical College, Dera Ismail Khan 25120, Khyber Pakhtunkhwa, Pakistan
| | - Shahjahan Ustrana
- Department of Biochemistry, Gomal Medical College, Dera Ismail Khan 25120, Khyber Pakhtunkhwa, Pakistan
| | - M Azhar Hussain
- Department of Finance and Economics, College of Business Administration, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Firdos Ahmad
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah 27272, United Arab Emirates; Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
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Qaisar R, Karim A, Iqbal MS, Ahmad F, Hussain MA. Tracking the Plasma C-Terminal Agrin Fragment as a Biomarker of Neuromuscular Decline in 18- to 87-Year-Old Men. Mol Diagn Ther 2024:10.1007/s40291-024-00724-y. [PMID: 38961032 DOI: 10.1007/s40291-024-00724-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/12/2024] [Indexed: 07/05/2024]
Abstract
OBJECTIVES Plasma C-terminal agrin-fragment-22 (CAF22), a breakdown product of neuromuscular junction, is a potential biomarker of muscle loss. However, its levels from adolescence to octogenarians are unknown. METHODS We evaluated young (18-34 years, n = 203), middle-aged (35-59 years, n = 163), and old men (60-87 years, n = 143) for CAF22, handgrip strength (HGS), appendicular skeletal-mass index (ASMI), and gait speed. RESULTS We found an age-associated increase in CAF22 from young (100.9 ± 29 pmol) to middle-aged (128.3 ± 38.7 pmol) and older men (171.5 ± 35.5 pmol) (all p<0.05). This was accompanied by a gradual reduction in HGS (37.7 ± 6.1 kg, 30.2 ± 5.2 kg, and 26.6 ± 4.7 kg, for young, middle-aged, and old men, respectively), ASMI (8.02 ± 1.02 kg/m2, 7.65 ± 0.92 kg/m2, 6.87 ± 0.93 kg/m2, for young, middle-aged, and old men, respectively), and gait speed (1.29 ± 0.24 m/s, 1.05 ± 0.16 m/s, and 0.81 ± 0.13 m/s, for young, middle-aged, and old men, respectively). After adjustment for age, we found negative regressions of CAF22 with HGS (- 0.0574, p < 0.001) and gait speed (- 0.0162, p < 0.001) in the cumulative cohort. The receiver operating characteristics analysis revealed significant efficacy of plasma CAF22 in diagnosing muscle weakness (HGS < 27 kg) (middle-aged men; AUC = 0.731, 95% CI = 0.629-0.831, p < 0.001, Older men; AUC = 0.816, 95% CI = 0.761-0.833, p < 0.001), and low gait speed (0.8 m/s) (middle-aged men; AUC = 0.737, 95% CI = 0.602-0.871, p < 0.001, older men; AUC = 0.829, 95% CI = 0.772-0.886, p < 0.001), and a modest efficacy in diagnosing sarcopenia (middle-aged men; AUC = 0.701, 95% CI = 0.536-0.865, p = 0.032, older men; AUC = 0.822, 95% CI = 0.759-0.884, p < 0.001) in middle-aged and older men. CONCLUSION Altogether, CAF22 increases with advancing age and may be a reliable marker of muscle weakness and low gait speed.
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Affiliation(s)
- Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates.
- Space Medicine Research Group, Sharjah Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates.
- Cardiovascular Research Group, Sharjah Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates.
| | - Asima Karim
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - M Shahid Iqbal
- Department of Neurology and Stroke Medicine, Rehman Medical Institute, Peshawar, 25124, Pakistan
| | - Firdos Ahmad
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Space Medicine Research Group, Sharjah Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
- Cardiovascular Research Group, Sharjah Institute for Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
| | - M Azhar Hussain
- Department of Finance and Economics, College of Business Administration, University of Sharjah, 27272, Sharjah, United Arab Emirates
- Department of Social Sciences and Business, Roskilde University, 4000, Roskilde, Denmark
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Qaisar R, Hussain S, Burki A, Karim A, Muhammad T, Ahmad F. Plasma levels of Neurofilament light chain correlate with handgrip strength and sarcopenia in patients with chronic obstructive pulmonary disease. Respir Investig 2024; 62:566-571. [PMID: 38663300 DOI: 10.1016/j.resinv.2024.04.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/29/2024] [Accepted: 04/15/2024] [Indexed: 06/25/2024]
Abstract
BACKGROUND Age-associated muscle decline, termed sarcopenia, is a common systemic effect of chronic obstructive pulmonary disease (COPD). Circulating Neurofilament light chain (NfL) levels reflect neuronal degradation and may be relevant to sarcopenia phenotype. However, such an association in COPD patients remains elusive. METHODS We investigated male, 60-76 years old controls (n = 50) and COPD patients (n = 139) for plasma NfL levels in relation to sarcopenia and physical capacity markers. We measured handgrip strength (HGS), body composition, and short physical performance battery (SPPB) to evaluate sarcopenia and physical capacity. RESULTS COPD patients had higher plasma NfL and lower HGS and SPPB performance than controls. Plasma NfL levels demonstrated negative associations with HGS and gait speed in COPD patients (all p < 0.05). Further, NfL levels were negatively associated with total SPPB scores in controls and patients with advanced COPD (p < 0.05). Plasma NfL also demonstrated an acceptable accuracy in diagnosing sarcopenia in controls (AUC = 0.757, p < 0.05) and COPD (AUC = 0.806, p < 0.05) patients. CONCLUSION Collectively, plasma NfL may be helpful in evaluating sarcopenia phenotype and physical capacity in geriatric patients with COPD.
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Affiliation(s)
- Rizwan Qaisar
- Basic Medical Sciences, College of Medicine, University of Sharjah, Room # M27-122, 27272, Sharjah, United Arab Emirates; Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Room # M31-105, 27272, Sharjah, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Room # M31-105, 27272, Sharjah, United Arab Emirates.
| | - Shah Hussain
- Department of Medical Oncology, Hayatabad Medical Complex, 25124, Peshawar, Khyber Pakhtunkhwa, Pakistan
| | - Ayousha Burki
- Department of Nephrology, Divisional Headquarter Hospital, Gomal Medical College, 30130, Dera Ismail Khan, Khyber Pakhtunkhwa, Pakistan
| | - Asima Karim
- Basic Medical Sciences, College of Medicine, University of Sharjah, Room # M27-122, 27272, Sharjah, United Arab Emirates; Iron Biology Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Room # M31-018, 27272, Sharjah, United Arab Emirates
| | - Tahir Muhammad
- Department of Biochemistry, Gomal Medical College, 30130, Dera Ismail Khan, Khyber Pakhtunkhwa, Pakistan
| | - Firdos Ahmad
- Basic Medical Sciences, College of Medicine, University of Sharjah, Room # M27-122, 27272, Sharjah, United Arab Emirates; Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Room # M31-105, 27272, Sharjah, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Room # M31-105, 27272, Sharjah, United Arab Emirates
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Lashkarbolouk N, Mazandarani M, Pakmehr A, Ejtahed HS. Evaluating the Role of Probiotics, Prebiotics, and Synbiotics Supplementation in Age-related Musculoskeletal Disorders in Older Adults: A Systematic Review. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10306-3. [PMID: 38907826 DOI: 10.1007/s12602-024-10306-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2024] [Indexed: 06/24/2024]
Abstract
The aim of this systematic review is to evaluate musculoskeletal changes in response to prebiotics, probiotics, or synbiotics supplementation in older adults or in animal models of aging musculoskeletal disorders. A comprehensive search was conducted on electronic databases, including PubMed/Medline, Cochrane, and Web of Science until April 2024. The quality assessment of clinical trials was conducted using the Cochrane Collaboration tool and for animal studies, the SYRCLE's tool was used. Our literature search resulted in 652 studies. After removing duplicates and screening the articles based on their titles and abstracts, we assessed the full text of 112 articles, which yielded 20 clinical trials and 30 animal studies in our systematic review. Most of human and animal studies reported an improvement in physical performance, a decrease in frailty index, and a lower reduction in bone mineral density in the intervention groups. Body composition tends to increase in muscle ratio, muscle mass, and reduce in appendicular lean mass and muscle atrophy. Also, the intervention induced bone turnover and mineral absorption, significantly increasing Ca, P, and Mg absorption and short-chain fatty acid concentration. Additionally, levels of inflammatory markers such as IL1, IL6, IL17, T helper 17, and TNF-α exhibited a decreasing trend, while an increase in IL10 and IFN-γ was observed. Prebiotics, probiotics, or synbiotics supplementations could effectively improve the physical performance and muscle strength and reduce the risk of bone loss and frailty in the elderly.
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Affiliation(s)
- Narges Lashkarbolouk
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Golestan University of Medical Sciences, Gorgan, Iran
| | - Mahdi Mazandarani
- Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Azin Pakmehr
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hanieh-Sadat Ejtahed
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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Di Cola S, Khan S, Lapenna L, Merli M. Emerging drugs for the treatment of sarcopenia in cirrhosis of the liver. Expert Opin Emerg Drugs 2024; 29:81-91. [PMID: 38549232 DOI: 10.1080/14728214.2024.2332428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 03/14/2024] [Indexed: 04/19/2024]
Abstract
INTRODUCTION Malnutrition and sarcopenia are common and impact the prognosis in patients with liver cirrhosis. The etiology is multifactorial and includes periods of reduced caloric intake, increased catabolism and direct molecular mechanisms that inhibit muscle synthesis. Although these conditions are widely acknowledged, and there is a growing interest in their diagnosis, robust evidence regarding the treatment and reversibility of these conditions is still lacking. AREAS COVERED We have explored the current evidence on the pharmacological treatment of sarcopenia in patients with cirrhosis. Additionally, we have searched for drugs already in use and ongoing trials for other chronic diseases. EXPERT OPINION The current guidelines recommend the use of a protein-adequate diet and moderate physical activity for treating sarcopenia in patients with cirrhosis. Currently, robust evidence is derived only from the supplementation of Branched-Chain Amino Acids, capable of increasing muscle mass and function. There are many drugs targeting various pathways that contribute to sarcopenia. However, evidence is sporadic and insufficient to suggest their use in clinical practice.Novel drugs specifically designed to enhance muscle mass and function should be developed. Finally, gender significantly influences the type of muscle alteration and therapeutic mechanisms; therefore, future studies should be designed taking gender differences into consideration.
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Affiliation(s)
- Simone Di Cola
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Saniya Khan
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Lucia Lapenna
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Manuela Merli
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
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Qaisar R, Karim A, Muhammad T, Iqbal MS, Ahmad F. Metformin Improves Sarcopenia-Related Quality of Life in Geriatric Adults: A Randomized Controlled Trial. Arch Med Res 2024; 55:102998. [PMID: 38615625 DOI: 10.1016/j.arcmed.2024.102998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/23/2024] [Accepted: 04/09/2024] [Indexed: 04/16/2024]
Abstract
OBJECTIVES Metformin protects against age-related muscle decline, termed sarcopenia. However, the effects on sarcopenia quality-of-life (SarQoL) are unknown. We investigated the effects of metformin on SarQoL and associated mechanisms in older adults. METHOD This double-blind randomized, placebo-controlled trial included geriatric adult men, divided into non-sarcopenic controls (age = 72.2 ± 4.3 years, n = 52) and two groups of patients with sarcopenia randomized into placebo (age at baseline = 74.4 ± 5.7 years, n = 54) and metformin (age at baseline = 71.2 ± 3.9 years, n = 47) groups. Patients in the metformin group received 1.7 grams twice daily for four months. We evaluated SarQoL, handgrip strength (HGS), plasma zonulin, c-reactive protein (CRP), and 8-isoprostanes. RESULTS Patients with sarcopenia had lower HGS and SarQoL than controls (both p <0.05). Metformin improved the HGS and the SarQoL domains related to physical and mental health, locomotion, and leisure activities, as well as cumulative SarQoL scores (all p <0.05). Metformin also prevented the decline in the SarQoL domains for functionality and fear. Among plasma biomarkers, metformin reduced the levels of zonulin, CRP, 8-isoprostanes, and creatine kinase. We also found a significant correlation of plasma zonulin with cumulative SarQoL in patients with sarcopenia taking metformin, suggesting a role for intestinal repair in improving SarQoL. Finally, metformin did not affect body composition and gait speed. CONCLUSION Overall, metformin improved HGS and SarQoL by repairing intestinal leakage. Our data have clinical relevance for improving the quality of life in older adults with sarcopenia.
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Affiliation(s)
- Rizwan Qaisar
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.
| | - Asima Karim
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Iron Biology Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Tahir Muhammad
- Department of Biochemistry, Gomal Medical College, Dera Ismail Khan, Pakistan
| | - M Shahid Iqbal
- Department of Neurology and Stroke Medicine, Rehman Medical Institute, Peshawar, Pakistan
| | - Firdos Ahmad
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
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Qaisar R, Burki A, Karim A, Iqbal MS, Ahmad F. Probiotics Supplements Improve the Sarcopenia-Related Quality of Life in Older Adults with Age-Related Muscle Decline. Calcif Tissue Int 2024; 114:583-591. [PMID: 38642090 DOI: 10.1007/s00223-024-01211-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 03/14/2024] [Indexed: 04/22/2024]
Abstract
A pathological increase in intestinal leak is implicated in age-associated muscle loss, termed sarcopenia, and reduced sarcopenia-related quality-of-life (SarQoL). However, the potential therapies remain elusive. We investigated the effects of probiotic supplementation on sarcopenia and SarQoL in geriatric older adults. We randomized sarcopenic men into placebo (age = 71.4 ± 3.9 years, n = 63) and probiotic (age = 73 ± 4.1 years, n = 60) groups for 16 weeks. The probiotic used was one capsule daily of Vivomix 112 billion for 16 weeks. We measured sarcopenia parameters of handgrip strength (HGS) and skeletal mass index (SMI), plasma zonulin (marker of the intestinal leak), and SarQoL using a targeted questionnaire. Probiotics improved the SarQoL scores for locomotion, functionality, and activities of daily living and prevented a decline in cumulative SarQoL observed in the placebo group (all p < 0.05). Probiotic supplementation also reduced plasma zonulin and marker of systemic bacterial load. These changes were accompanied by an increase in HGS and maintenance of gait speed in the probiotic group compared to the placebo group. Correlation analysis revealed significant associations of cumulative SarQoL scores with plasma zonulin and HGS in the probiotic group. Collectively, probiotics improved SarQoL and HGS by repairing pathological intestinal leak. Future studies may further dissect the relation between intestinal leak and SarQoL in older adults taking probiotics.
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Affiliation(s)
- Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, 27272, Sharjah, United Arab Emirates.
- Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates.
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates.
| | - Ayousha Burki
- Department of Nephrology, Divisional Headquarter Teaching Hospital, Gomal Medical College, Dera Ismail Khan, 30130, Pakistan
| | - Asima Karim
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, 27272, Sharjah, United Arab Emirates
- Iron Biology Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
| | - M Shahid Iqbal
- Department of Neurology and Stroke Medicine, Rehman Medical Institute, Peshawar, 25120, Pakistan
| | - Firdos Ahmad
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, 27272, Sharjah, United Arab Emirates
- Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, 27272, Sharjah, United Arab Emirates
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Song Z, Meng Y, Fricker M, Li X, Tian H, Tan Y, Qin L. The role of gut-lung axis in COPD: Pathogenesis, immune response, and prospective treatment. Heliyon 2024; 10:e30612. [PMID: 38742057 PMCID: PMC11089359 DOI: 10.1016/j.heliyon.2024.e30612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 04/30/2024] [Accepted: 04/30/2024] [Indexed: 05/16/2024] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity and healthcare burden worldwide. The progression of COPD is a combination of genetic predisposition and environmental factors, primarily cigarette smoking, and the underlying mechanisms are still unknown. Intestinal microecology impacts host immunity, metabolism, and resistance to pathogenic infections, which may be involved in pulmonary disease. Moreover, substantial interaction occurs between the intestinal and respiratory immune niches. After reviewing nearly 500 articles, we found the gut-lung axis plays an important role in the development of COPD. COPD patients often have dysbiosis of the intestinal microenvironment, which can affect host immunity through a series of mechanisms, exacerbating or protecting against COPD progression. This paper summarizes how the gut-lung axis influences COPD, including the alterations of intestinal microecology, the pathological mechanisms, and the involved immune responses. Finally, we summarize the latest research advances in COPD treatment from the perspective of regulating the gut-lung axis and intestinal immunity and evaluate the potential value of the gut-lung axis in improving COPD prognosis.
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Affiliation(s)
- Zhi Song
- The Second Department of Gastrointestinal Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yifei Meng
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Michael Fricker
- Priority Research Centre for Healthy Lungs, The University of Newcastle, Newcastle, NSW, Australia
| | - Xin'ao Li
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Haochen Tian
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yurong Tan
- Department of Medical Microbiology, School of Basic Medical Sciences, Central South University, Changsha, Hunan, China
| | - Ling Qin
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China
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Hu J, Wang Y, Ji X, Zhang Y, Li K, Huang F. Non-Pharmacological Strategies for Managing Sarcopenia in Chronic Diseases. Clin Interv Aging 2024; 19:827-841. [PMID: 38765795 PMCID: PMC11102744 DOI: 10.2147/cia.s455736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 05/02/2024] [Indexed: 05/22/2024] Open
Abstract
This article focuses on a range of non-pharmacological strategies for managing sarcopenia in chronic diseases, including exercise, dietary supplements, traditional Chinese exercise, intestinal microecology, and rehabilitation therapies for individuals with limited limb movement. By analyzing multiple studies, the article aims to summarize the available evidence to manage sarcopenia in individuals with chronic diseases. The results strongly emphasize the role of resistance training in addressing chronic diseases and secondary sarcopenia. Maintaining the appropriate frequency and intensity of resistance training can help prevent muscle atrophy and effectively reduce inflammation. Although aerobic exercise has limited ability to improve skeletal muscle mass, it does have some positive effects on physical function. Building upon this, the article explores the potential benefits of combined training approaches, highlighting their helpfulness for overall quality of life. Additionally, the article also highlights the importance of dietary supplements in combating muscle atrophy in chronic diseases. It focuses on the importance of protein intake, supplements rich in essential amino acids and omega-3, as well as sufficient vitamin D to prevent muscle atrophy. Combining exercise with dietary supplements appears to be an effective strategy for preventing sarcopenia, although the optimal dosage and type of supplement remain unclear. Furthermore, the article explores the potential benefits of intestinal microecology in sarcopenia. Probiotics, prebiotics, and bacterial products are suggested as new treatment options for sarcopenia. Additionally, emerging therapies such as whole body vibration training, blood flow restriction, and electrical stimulation show promise in treating sarcopenia with limited limb movement. Overall, this article provides valuable insights into non-pharmacological strategies for managing sarcopenia in individuals with chronic diseases. It emphasizes the importance of a holistic and integrated approach that incorporates exercise, nutrition, and multidisciplinary interventions, which have the potential to promote health in the elderly population. Future research should prioritize high-quality randomized controlled trials and utilize wearable devices, smartphone applications, and other advanced surveillance methods to investigate the most effective intervention strategies for sarcopenia associated with different chronic diseases.
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Affiliation(s)
- Jiawen Hu
- Department of Rheumatology and Immunology, First Medical Center of Chinese PLA General Hospital, Beijing, China
- Medical School of Chinese PLA, Beijing, China
| | - Yiwen Wang
- Department of Rheumatology and Immunology, First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xiaojian Ji
- Department of Rheumatology and Immunology, First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yinan Zhang
- Department of Rheumatology and Immunology, First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Kunpeng Li
- Department of Rheumatology and Immunology, First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Feng Huang
- Department of Rheumatology and Immunology, First Medical Center of Chinese PLA General Hospital, Beijing, China
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Qaisar R, Khan IM, Karim A, Muhammad T, Ahmad F. Lipid-Lowering Medications are Associated with Reduced Sarcopenia-Related Quality of Life in Older Adults with Hyperlipidemia. Drugs Aging 2024; 41:443-453. [PMID: 38564165 DOI: 10.1007/s40266-024-01111-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2024] [Indexed: 04/04/2024]
Abstract
PURPOSE Statins medications negatively affect age-associated loss of muscle mass and strength, termed sarcopenia, and neuromuscular junction (NMJ) integrity. However, their association with the sarcopenia-related-quality-of-life (SarQoL) is unknown. METHODS In this cross-sectional, case control study, we recruited male nonusers (n = 75 and age 75.2 ± 5.9 years) and users (n = 77 and age 77.1 ± 6.2 years) of statins to evaluate SarQoL and handgrip strength (HGS). We also measured plasma C-terminal agrin fragment-22 (CAF22) as a marker of NMJ degradation. RESULTS Statin users had higher CAF22, and lower HGS, and cumulative SarQoL scores than non-users (all p < 0.05). Plasma CAF22 exhibited negative correlations with SarQoL scores for physical and mental health, locomotion, functionality, activities-of-daily-living, and cumulative SarQoL in statins users and non-users (all p < 0.05). Lastly, the cumulative SarQoL scores exhibited positive associations with HGS and gait speed in the study participants (all p < 0.05). CONCLUSIONS Collectively, statin usage was associated with NMJ degradation and reduced SarQoL. Statins should be cautiously prescribed in patients with sarcopenia with reduced QoL.
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Affiliation(s)
- Rizwan Qaisar
- Department of Basic Medical Sciences, M27-122, College of Medicine, University of Sharjah, 27272, Sharjah, United Arab Emirates.
- Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.
| | - Imran M Khan
- Burn and Plastic Surgery Center, Hayatabad Medical Complex, Hayatabad, Peshawar, Pakistan
| | - Asima Karim
- Department of Basic Medical Sciences, M27-122, College of Medicine, University of Sharjah, 27272, Sharjah, United Arab Emirates
- Iron Biology Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Tahir Muhammad
- Department of Biochemistry, Gomal Medical College, Dera Ismail Khan, Pakistan
| | - Firdos Ahmad
- Department of Basic Medical Sciences, M27-122, College of Medicine, University of Sharjah, 27272, Sharjah, United Arab Emirates
- Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
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11
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Chen Y, Wu J. Aging-Related Sarcopenia: Metabolic Characteristics and Therapeutic Strategies. Aging Dis 2024:AD.2024.0407. [PMID: 38739945 DOI: 10.14336/ad.2024.0407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 04/07/2024] [Indexed: 05/16/2024] Open
Abstract
The proportion of the elderly population is gradually increasing as a result of medical care advances, leading to a subsequent surge in geriatric diseases that significantly impact quality of life and pose a substantial healthcare burden. Sarcopenia, characterized by age-related decline in skeletal muscle mass and quality, affects a considerable portion of older adults, particularly the elderly, and can result in adverse outcomes such as frailty, fractures, bedridden, hospitalization, and even mortality. Skeletal muscle aging is accompanied by underlying metabolic changes. Therefore, elucidating these metabolic profiles and specific mechanisms holds promise for informing prevention and treatment strategies for sarcopenia. This review provides a comprehensive overview of the key metabolites identified in current clinical studies on sarcopenia and their potential pathophysiological alterations in metabolic activity. Besides, we examine potential therapeutic strategies for sarcopenia from a perspective focused on metabolic regulation.
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Lee MC, Hsu YJ, Ho CS, Tsai YS, Chen CC, Huang CC. Supplementation with Lactiplantibacillus brevis GKEX Combined with Resistance Exercise Training Improves Muscle Mass, Strength Performance, and Body Fat Condition in Healthy Humans. Foods 2024; 13:1030. [PMID: 38611334 PMCID: PMC11011920 DOI: 10.3390/foods13071030] [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: 03/08/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
In addition to maintaining good exercise and dietary habits, recent studies have shown that probiotics may have potential benefits for muscle mass and strength. It is worth noting that the effects may vary depending on the specific strains used. To date, no studies have analyzed the effects of Lactiplantibacillus brevis in this context. Here, we combine the L. brevis strain GKEX with resistance training to further understand its effects on muscle mass, thickness, performance, and fat loss. In a six-week intervention for a double-blind randomized trial, 52 healthy subjects were divided into two groups (10 male and 16 female participants in each group): a placebo group (two capsules/day, containing 0 CFU of GKEX per capsule) and a GKEX group (two capsules/day, containing 1 × 1010 CFU of GKEX per capsule). Before the intervention, no differences were observed between the two groups in any of the tests (body composition, muscle thickness, exercise performance, and blood parameters). However, supplementation with GKEX significantly improved muscle mass and thickness, as well as grip strength, muscle strength, and explosive performance, when compared to the associated parameters before the intervention. Additionally, GKEX supplementation promoted a reduction in the body fat percentage (p < 0.05). Through analysis of the change amount, we observed that GKEX supplementation yielded significantly improved benefits when compared to the placebo group (p < 0.05). In summary, our findings support the notion that a six-week resistance exercise training program combined with L. brevis GKEX supplementation has superior additive effects that enhance muscle mass and strength performance, while also reducing body fat percentage. This intervention can promote muscle gain and fat loss.
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Affiliation(s)
- Mon-Chien Lee
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 333325, Taiwan; (M.-C.L.); (Y.-J.H.); (C.-S.H.)
- Center for General Education, Taipei Medical University, Taipei 110301, Taiwan
| | - Yi-Ju Hsu
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 333325, Taiwan; (M.-C.L.); (Y.-J.H.); (C.-S.H.)
| | - Chin-Shan Ho
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 333325, Taiwan; (M.-C.L.); (Y.-J.H.); (C.-S.H.)
| | - You-Shan Tsai
- Biotech Research Institute, Grape King Bio Ltd., Taoyuan 325002, Taiwan; (Y.-S.T.); (C.-C.C.)
| | - Chin-Chu Chen
- Biotech Research Institute, Grape King Bio Ltd., Taoyuan 325002, Taiwan; (Y.-S.T.); (C.-C.C.)
- Institute of Food Science and Technology, National Taiwan University, Taipei 106319, Taiwan
| | - Chi-Chang Huang
- Graduate Institute of Sports Science, National Taiwan Sport University, Taoyuan 333325, Taiwan; (M.-C.L.); (Y.-J.H.); (C.-S.H.)
- Tajen University, Pingtung 907101, Taiwan
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13
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Zou J, Peng W. Unveiling the Knowledge Frontier: A Scientometric Analysis of COPD with Sarcopenia. Int J Chron Obstruct Pulmon Dis 2024; 19:731-748. [PMID: 38495217 PMCID: PMC10944306 DOI: 10.2147/copd.s448494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/01/2024] [Indexed: 03/19/2024] Open
Abstract
Objective Numerous articles and reviews addressing the intersection of Chronic Obstructive Pulmonary Disease (COPD) with sarcopenia have been documented. However, a significant gap exists in the literature concerning scientometric analysis in this field. This study aimed to concentrate on recent research and elucidate emerging research areas through the examination of COPD with sarcopenia. Methods Articles in the field were systematically retrieved from the Web of Science Core Collections (WoSCC) spanning from 2003 to 2022. The analysis employed scientometric and keyword analyses through specialized software, including VOSviewer, CiteSpace, and Origin. Results A comprehensive analysis of 758 articles and reviews in the field of COPD with sarcopenia revealed the United States as the leading contributor in terms of publications and overall influence. Maastricht University emerged as the most prolific institution, with Schols Annemie M. W. J. being identified as the most influential scholar in this field. The International Journal of Chronic Obstructive Pulmonary Disease emerged as the most prolific journal. Notably, COPD with sarcopenia exhibits frequent associations with other diseases, underscoring the complexity of the topic and emphasizing the necessity for comprehensive treatment. Mechanistic and diagnostic aspects, particularly computed tomography, are pivotal in this research field. Osteoporosis emerges as a prospective avenue for future research, encompassing both COPD and sarcopenia. Furthermore, nutrition and physical activity are integral components for managing COPD patients with sarcopenia. Conclusion This study delineates the distribution of fields, the knowledge structure, and the evolution of major research topics related to COPD with sarcopenia. The identification of keyword hotspots enhances the understanding of the occurrence, development, and future study trends associated with the topic.
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Affiliation(s)
- Jingfeng Zou
- Department of General Practice, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, WuHan, Hubei, People’s Republic of China
| | - Wen Peng
- Department of General Practice, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, WuHan, Hubei, People’s Republic of China
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14
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Chen C, Wu L, Wang L, Tang X. Probiotics combined with Budesonide and Ipratropium bromide for chronic obstructive pulmonary disease: A retrospective analysis. Medicine (Baltimore) 2024; 103:e37309. [PMID: 38457591 PMCID: PMC10919488 DOI: 10.1097/md.0000000000037309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 12/04/2023] [Accepted: 01/29/2024] [Indexed: 03/10/2024] Open
Abstract
To explore the effect of probiotics combined with budesonide and ipratropium bromide in the treatment of chronic obstructive pulmonary disease (COPD) on lung function and gut microbiota. This was a retrospective study of prospectively collected clinical data of 118 patients with COPD admitted to our hospital between January 2020 and December 2022. According to the treatment records, 59 patients received budesonide and irpratropium bromide (control group), and 59 patients received probiotics combined with budesonide and irpratropium bromide (observation group). The lung function, inflammatory factor levels, airway remodeling, and gut microbiota before and after treatment were compared between the 2 groups. After treatment, FVC, MMEF, PEF, and FEV1 in the 2 groups were higher than before treatment, and the values in the observation group were higher than those in the control group (P < .05). After treatment, the serum levels of TNF-α, IL-6, and PCT in the 2 groups were lower than before treatment, and the levels in the observation group were lower than those in the control group (P < .05). After treatment, the levels of serum MMP-9, VEGF, basic fibroblast growth factor, and NGF in the 2 groups were lower than before treatment, and the levels in the observation group were lower than those in the control group (P < .05). After treatment, the levels of lactobacilli and bifidobacteria in the 2 groups increased compared to those before treatment, and the observation group had a higher level, while the levels of Enterobacteriaceae and Enterococcus were lower in the observation group than those before treatment (P < .05). Based on budesonide and irpratropium bromide, probiotic treatment of COPD is more conducive to reducing the degree of inflammatory reactions, inhibiting airway remodeling, regulating the level of gut microbiota, and promoting the recovery of lung function.
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Affiliation(s)
- Chen Chen
- Department of Pulmonary and Critical Care Medicine, The Affiliated Nanhua Hospital of Hengyang Medical College, University of South China, Hengyang, China
| | - LingBo Wu
- Department of Pulmonary and Critical Care Medicine, The Affiliated Nanhua Hospital of Hengyang Medical College, University of South China, Hengyang, China
| | - LiJun Wang
- Department of Stomatology, The Affiliated Nanhua Hospital of Hengyang Medical College, University of South China, Hengyang, China
| | - XinHeng Tang
- Department of Pulmonary and Critical Care Medicine, The Affiliated Nanhua Hospital of Hengyang Medical College, University of South China, Hengyang, China
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15
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Chen LK. Divergent clinical implications of elevated serum vitamin B12 in all-cause mortality based on different origins. Arch Gerontol Geriatr 2024; 118:105337. [PMID: 38262891 DOI: 10.1016/j.archger.2024.105337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Affiliation(s)
- Liang-Kung Chen
- Center for Geriatrics and Gerontology, Taipei Veterans General Hospital, Taipei, Taiwan; Center for Healthy Longevity and Aging Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan; Taipei Municipal Gan-Dau Hospital (Managed by Taipei Veterans General Hospital), Taipei, Taiwan.
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16
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Saadati S, Naseri K, Asbaghi O, Yousefi M, Golalipour E, de Courten B. Beneficial effects of the probiotics and synbiotics supplementation on anthropometric indices and body composition in adults: A systematic review and meta-analysis. Obes Rev 2024; 25:e13667. [PMID: 38030409 DOI: 10.1111/obr.13667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 09/10/2023] [Accepted: 10/24/2023] [Indexed: 12/01/2023]
Abstract
Studies have suggested that probiotics and synbiotics can improve body weight and composition. However, randomized controlled trials (RCTs) demonstrated mixed results. Hence, we performed a systematic review and meta-analysis to evaluate the effectiveness of probiotics and synbiotics on body weight and composition in adults. We searched PubMed/Medline, Ovid/Medline, Scopus, ISI Web of Science, and Cochrane library up to April 2023 using related keywords. We included all RCTs investigating the effectiveness of probiotics and/or synbiotics supplementation on anthropometric indices and body composition among adults. Random-effects models were applied for performing meta-analyses. In addition, we conducted subgroup analyses and meta-regression to explore the non-linear and linear relationship between the length of follow-up and the changes in each outcome. We included a total of 200 trials with 12,603 participants in the present meta-analysis. Probiotics or synbiotics intake led to a significant decrease in body weight (weighted mean difference [WMD]: -0.91 kg; 95% CI: -1.08, -0.75; p < 0.001), body mass index (BMI) (WMD: -0.28 kg/m2 ; 95% CI: -0.36, -0.21; p < 0.001), waist circumference (WC) (WMD: -1.14 cm; 95% CI: -1.42, -0.87; p < 0.001), waist-to-hip ratio (WHR) (WMD: -0.01; 95% CI: -0.01, -0.00; p < 0.001), fat mass (FM) (WMD: -0.92 kg; 95% CI: -1.05, -0.79; p < 0.001), and percentage of body fat (%BF) (WMD: -0.68%; 95% CI: -0.94, -0.42; p < 0.001) compared to controls. There was no difference in fat-free mass (FFM) and lean body mass (LBM). Subgroup analyses indicated that probiotics or synbiotics administered as food or supplement resulted in significant changes in anthropometric indices and body composition. However, compared to controls, FM and %BF values were only reduced after probiotic consumption. Our results showed that probiotics or synbiotics have beneficial effects on body weight, central obesity, and body composition in adults and could be useful as an add on to weight loss products and medications.
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Affiliation(s)
- Saeede Saadati
- Department of Medicine, School of Clinical Sciences, Monash University, Melbourne, Australia
| | - Kaveh Naseri
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Omid Asbaghi
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohsen Yousefi
- Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Elnaz Golalipour
- Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Barbora de Courten
- Department of Medicine, School of Clinical Sciences, Monash University, Melbourne, Australia
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Australia
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Handajani YS, Turana Y, Hengky A, Hamid G, Schroeder-Butterfill E, Kristian K. Probiotics supplementation or probiotic-fortified products on sarcopenic indices in older adults: systematic review and meta-analysis from recent randomized controlled trials. FRONTIERS IN AGING 2024; 5:1307762. [PMID: 38370462 PMCID: PMC10873954 DOI: 10.3389/fragi.2024.1307762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 01/16/2024] [Indexed: 02/20/2024]
Abstract
Introduction: A noteworthy correlation was seen between changes in the gut microbiome and sarcopenia in older adults. Along with increasing research on probiotic supplementation for various medical problems, we aimed to obtain evidence and summarize the effect of probiotic supplementation on sarcopenic indices among older adults. Methods: We utilized PubMed, EBSCO, and Proquest, in addition to manual search using synonyms and variation for 'probiotic,' 'sarcopenia,' and 'older adults.' Randomized controlled trials investigated the utilization of probiotics or probiotic-containing products in older adults with sarcopenic indices including muscle mass and strength. The random-effects model was applied to the meta-analysis process. Results: Seven studies were obtained with 733 pooled older adults. Probiotic supplementation resulted in a significant increase of muscle mass with adjusted SMD (Standardized Mean Difference) of 0.962 (95% CI: 0.288 to 1.635, p = 0.049) using till and trim analysis and muscle strength with SMD of 1.037 (95% CI: 0.077 to 1.996, p = 0.03). However, both outcomes were associated with significantly high heterogeneity (I2 = 89.5% and I2 = 89.9%, respectively). Conclusion: When opposed to a placebo, the probiotic treatment improved the amount of muscle and its endurance based on recent evidence, however, further studies should be done with larger samples and targeted populations.
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Affiliation(s)
- Yvonne Suzy Handajani
- School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
| | - Yuda Turana
- School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
| | - Antoninus Hengky
- Center of Health Research, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
- Fatima General Hospital, Ketapang Regency, West Kalimantan, Ketapang, Indonesia
| | - Gabriella Hamid
- Center of Health Research, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
- Leona Kefamenanu General Hospital, North Central Timor, Indonesia
| | | | - Kevin Kristian
- School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
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Qaisar R, Iqbal MS, Karim A, Muhammad T, Ahmad F. A leaky gut contributes to reduced sarcopenia-related quality of life (SarQoL) in geriatric older adults. Qual Life Res 2024; 33:551-559. [PMID: 37930557 DOI: 10.1007/s11136-023-03547-2] [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] [Accepted: 10/08/2023] [Indexed: 11/07/2023]
Abstract
PURPOSE The sarcopenia quality-of-life (SarQoL) questionnaire is designed to evaluate the quality of life of sarcopenic patients. A pathological increase in intestinal permeability leads to several systemic diseases, but its contribution to SarQoL is unknown. METHODS We recruited controls (n = 84, age = 74.6 ± 4.9 years) and sarcopenic (n = 55, age = 76.1 ± 4.2 years) men for validating and adapting a Pashto version of SarQoL. We measured the scores for seven domains of SarQoL, body composition, and handgrip strength (HGS). We also measured plasma zonulin as a marker of increased intestinal permeability. RESULTS The Pashto SarQoL exhibited adequate discriminative ability, construct validity, internal consistency, and test-retest reliability, without exhibiting the floor and ceiling effect. Sarcopenic patients had higher plasma zonulin and lower scores on SarQoL domains for physical and mental health, locomotion, body composition, functionality, activities of daily living, leisure, and fear, and cumulative SarQoL scores than controls. Plasma zonulin exhibited significant coefficients of determination with Pashto SarQoL domains for locomotion (r2 = 0.217), functionality (r2 = 0.101), activities of daily living (r2 = 0.302), and cumulative SarQoL scores (r2 = 0.168). We also found high efficacies of zonulin in diagnosing low scores for functionality (AUC = 0.785, 95% C.I = 0.708-0.863), activities of daily living (AUC = 0.785, 95% C.I = 0.708-0.863), and cumulative SarQoL scores (AUC = 0.821, 95% C.I = 0.751-0.891). CONCLUSION Altogether, SarQoL appears reliable in measuring the quality of life in sarcopenic patients. A leaky gut has a potential contribution to reduced SarQoL in sarcopenia.
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Affiliation(s)
- Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates.
- Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.
| | - M Shahid Iqbal
- Department of Neurology and Stroke Medicine, Rehman Medical Institute, Peshawar, 25124, Pakistan
| | - Asima Karim
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Tahir Muhammad
- Department of Biochemistry, Gomal Medical College, Dera Ismail Khan, Pakistan
| | - Firdos Ahmad
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
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19
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Qaisar R, Karim A, Muhammad T, Ahmad F. Butyrate supplementation reduces sarcopenia by repairing neuromuscular junction in patients with chronic obstructive pulmonary disease. Respir Med 2024; 222:107510. [PMID: 38135194 DOI: 10.1016/j.rmed.2023.107510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/14/2023] [Accepted: 12/20/2023] [Indexed: 12/24/2023]
Abstract
INTRODUCTION Chronic obstructive pulmonary disease (COPD) is associated with an intestinal leak and neuromuscular junction (NMJ) degradation, which contributes to physical compromise and accelerated age-related muscle loss, called sarcopenia. However, the relevant interventions partly remain ineffective. We investigated the effects of exogenous butyrate on sarcopenia and physical capacity with relevance to intestinal permeability and NMJ integrity in COPD patients. METHODS COPD patients were randomized into placebo (n = 67) and butyrate (n = 64) groups in a double-blind manner. The patients in the butyrate group received one 300 mg capsule a day for 12 weeks. We measured circulating markers of intestinal leak (zonulin), systemic bacterial load (LBP), and NMJ loss (CAF22), along with handgrip strength (HGS), and short physical performance battery (SPPB) at baseline and 12 weeks. RESULTS Butyrate supplementation improved HGS and gait speed in COPD patients. Among SPPB indices, butyrate improved the ability to maintain postural balance and walking and prevented a decline in the ability to rise from a chair. Butyrate also reduced the plasma levels of zonulin, LBP, and CAF22 levels in COPD patients (all p < 0.05). Regression analysis revealed significant associations of plasma zonulin and CAF22 with HGS, gait speed, and cumulative SPPB scores in butyrate group. These changes were associated with reduced markers of inflammation and muscle damage. CONCLUSION Butyrate may provide a therapeutic approach to sarcopenia and physical dependency in COPD by repairing intestinal leak and NMJ loss.
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Affiliation(s)
- Rizwan Qaisar
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates; Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates.
| | - Asima Karim
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Tahir Muhammad
- Department of Biochemistry, Gomal Medical College, Gomal University, Dera Ismail Khan, 30130, Pakistan
| | - Firdos Ahmad
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, United Arab Emirates; Space Medicine Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
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20
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Qaisar R. Targeting neuromuscular junction to treat neuromuscular disorders. Life Sci 2023; 333:122186. [PMID: 37858716 DOI: 10.1016/j.lfs.2023.122186] [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] [Received: 09/03/2023] [Revised: 10/07/2023] [Accepted: 10/16/2023] [Indexed: 10/21/2023]
Abstract
The integrity and preservation of the neuromuscular junction (NMJ), the interface between the motor neuron and skeletal muscle, is critical for maintaining a healthy skeletal muscle. The structural and/or functional defects in the three cellular components of NMJ, namely the pre-synaptic terminal, synaptic cleft, and post-synaptic region, negatively affect skeletal muscle mass and/or strength. Therefore, NMJ repair appears to be an appropriate therapy for muscle disorders. Mouse models provide a detailed molecular characterization of various cellular components of NMJ with relevance to human diseases. This review discusses different molecular targets on the three cellular components of NMJ for treating muscle diseases. The potential effects of these therapies on NMJ morphology and motor performance, their therapeutic efficacy, and clinical relevance are discussed. Collectively, the available data supports targeting NMJ alone or as an adjunct therapy in treating muscle disorders. However, the potential impact of such interventions on human patients with muscle disorders requires further investigation.
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Affiliation(s)
- Rizwan Qaisar
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Space Medicine Research Group, Sharjah Institute for Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates; Cardiovascular Research Group, Sharjah Institute for Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates.
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21
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Qaisar R, Kamli H, Karim A, Muhammad T, Ahmad F, Shaikh A. Angiotensin Receptor Blockers Restore Skeletal Muscle in Patients with Chronic Obstructive Pulmonary Disease. Arch Med Res 2023; 54:102890. [PMID: 37741098 DOI: 10.1016/j.arcmed.2023.102890] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/10/2023] [Accepted: 09/12/2023] [Indexed: 09/25/2023]
Abstract
BACKGROUND Age-related muscle decline, called sarcopenia, and hypertension are commonly observed in patients with chronic obstructive pulmonary disease (COPD). Angiotensin receptor blockers (ARBs) are common antihypertensive medications with muscle protective effects. However, the anti-sarcopenic potential and associated mechanisms of ARBs in hypertensive patients with COPD are unknown. OBJECTIVES We aimed to investigate the potential contribution of neuromuscular junction (NMJ) stability as a driving mechanism of ARBs-induced muscle protection. METHODS We categorized 236 patients with COPD into normotensive (n = 79) and hypertensive, based on treatment with ARB (n = 82), and other antihypertensive drugs (n = 75). Hypertensive patients with COPD were evaluated at two time points one year apart. Handgrip strength (HGS), body composition, short physical performance battery (SPPB), and plasma c-terminal agrin fragment-22 (CAF22) as a marker of NMJ degradation were measured. RESULTS Patients with COPD exhibited reduced HGS and SPPB scores, and higher levels of CAF22 than controls, regardless of hypertension status. ARBs treatment improved HGS and gait speed and reduced plasma CAF22 levels in hypertensive patients with COPD (all p <0.05). ARBs also prevented the decline in SPPB components, including maintaining balance, gait speed, and the ability to rise from a chair in hypertensive patients with COPD (all p <0.05). We also found dynamic associations of plasma CAF22 with HGS, gait speed, and SPPB scores in hypertensive patients with COPD. CONCLUSIONS Altogether, ARB treatment preserves skeletal muscle health and functional capacity in hypertensive patients with COPD by reducing plasma CAF22 and possibly repairing NMJs.
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Affiliation(s)
- Rizwan Qaisar
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.
| | - Hossam Kamli
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Asima Karim
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Tahir Muhammad
- Department of Biochemistry, Gomal Medical College, Dera Ismail Khan, Pakistan
| | - Firdos Ahmad
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates; Department of Biomedical Sciences, College of Health Sciences, Abu Dhabi University, Abu Dhabi, United Arab Emirates
| | - Ahmad Shaikh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
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Fekete M, Csípő T, Fazekas-Pongor V, Bálint M, Csizmadia Z, Tarantini S, Varga JT. The Possible Role of Food and Diet in the Quality of Life in Patients with COPD-A State-of-the-Art Review. Nutrients 2023; 15:3902. [PMID: 37764686 PMCID: PMC10536642 DOI: 10.3390/nu15183902] [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] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/25/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Diet has been described as a modifiable risk factor for the development and progression of chronic diseases, and emerging evidence increasingly points to its preventive and therapeutic role in chronic obstructive pulmonary disease (COPD). While the relationship between the underlying disease and diet is natural in conditions such as metabolic disorders, obesity, diabetes, etc., the direct effect is not so evident in chronic obstructive pulmonary disease. Poor diet quality and the development of nutrient deficiencies in respiratory diseases, including COPD, can be associated with disease-specific factors such as the exacerbation of respiratory symptoms. These symptoms can be improved by dietary interventions, leading to positive changes in the pathogenesis of the disease and the quality of life of patients. Therefore, our aim was to review the latest randomized controlled trials (RCTs) of dietary interventions in chronic respiratory patients and describe their effects on respiratory function, physical activity, systemic inflammatory parameters, and quality of life. We conducted a literature search on dietary interventions for COPD patients in the PubMed, ClinicalTrials.gov, and Cochrane Central Register of Controlled Trials (CENTRAL) databases, focusing on publications from 1 July 2018 to 1 July 2023. We used specific keywords and MESH terms, focusing on RCTs. A total of 26 articles and 1811 COPD patients were included in this review. On the basis of our findings, dietary interventions, in particular components of the Mediterranean diet such as protein, omega-3 polyunsaturated fatty acids, and vegetables, appear to have beneficial effects in patients with chronic respiratory diseases, and their application is beneficial. However, long-term follow-up studies are still needed to examine the effects of dietary interventions in this patient population.
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Affiliation(s)
- Mónika Fekete
- Department of Public Health, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary; (M.F.); (T.C.); (V.F.-P.); (M.B.)
| | - Tamás Csípő
- Department of Public Health, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary; (M.F.); (T.C.); (V.F.-P.); (M.B.)
| | - Vince Fazekas-Pongor
- Department of Public Health, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary; (M.F.); (T.C.); (V.F.-P.); (M.B.)
| | - Madarász Bálint
- Department of Public Health, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary; (M.F.); (T.C.); (V.F.-P.); (M.B.)
| | - Zoltán Csizmadia
- Faculty of Health Sciences, University of Pécs, 7621 Pécs, Hungary;
| | - Stefano Tarantini
- Department of Neurosurgery, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
- Department of Health Promotion Sciences, College of Public Health, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
- Peggy and Charles Stephenson Oklahoma Cancer Center, Oklahoma City, OK 73104, USA
| | - János Tamás Varga
- Department of Pulmonology, Semmelweis University, 1083 Budapest, Hungary
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23
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Qaisar R, Karim A, Iqbal MS, Ahmad F, Shaikh A, Kamli H, Khamjan NA. A leaky gut contributes to postural dysfunction in patients with Alzheimer's disease. Heliyon 2023; 9:e19485. [PMID: 37662779 PMCID: PMC10472051 DOI: 10.1016/j.heliyon.2023.e19485] [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: 04/11/2023] [Revised: 07/19/2023] [Accepted: 08/23/2023] [Indexed: 09/05/2023] Open
Abstract
Background Postural dysfunction is a common problem in patients with Alzheimer's disease (AD) and may lead to functional dependency and increasing morbidity and mortality. However, the pathophysiology of postural dysfunction in AD patients remains poorly understood. Objectives Elevated intestinal permeability is an underlying contributor to multiple diseases, including AD. We aimed to investigate the association of elevated intestinal permeability with postural dysfunction in AD patients. Design Setting Participants Measurements We conducted a cross-sectional, observational study on older adults, including controls and AD patients. We investigated the associations of postural balance with plasma zonulin, a marker of elevated intestinal permeability in geriatric controls (n = 74) and patients with mild (n = 71) and moderate (n = 66) AD. We used a standardized physical performance battery to measure balance in supine, tandem, and semi-tandem positions. We also measured handgrip strength (HGS), and gait speed as markers of physical capacity. Results AD patients exhibited lower balance scores, HGS, and gait speed and higher plasma zonulin than in controls (all p < 0.05). Plasma zonulin levels demonstrated significant areas under the curves in diagnosing poor balance in AD patients (all p < 0.05). Moderate AD was associated with lower balance and physical capacity, and higher zonulin than mild AD (ALL P < 0.05). Poor scores on balance scale were associated with higher expressions of markers of inflammation, oxidative stress, and muscle damage providing a mechanistic link between increased intestinal permeability and postural dysfunction in AD patients. Conclusion The results of our study show that plasma zonulin measurement may be used to diagnose postural dysfunction in AD patients. The study is relevant to non-ambulant and/or comatose AD patients with postural dysfunction. Our findings also highlight the therapeutic potential of repairing the intestinal leak to improve postural control and reduce the risk of falls in AD patients.
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Affiliation(s)
- Rizwan Qaisar
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Asima Karim
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - M. Shahid Iqbal
- Department of Neurology and Stroke Medicine, Rehman Medical Institute, Peshawar, Pakistan
| | - Firdos Ahmad
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Department of Biomedical Sciences, College of Health Sciences, Abu Dhabi University, Abu Dhabi, 59911, United Arab Emirates
| | - Ahmad Shaikh
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, 61421, Saudi Arabia
| | - Hossam Kamli
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, 61421, Saudi Arabia
| | - Nizar A. Khamjan
- Department of Medical Laboratories Technology, College of Applied Medical Sciences, Jazan University, Jazan, 45142, Saudi Arabia
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24
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Shokri‐Mashhadi N, Navab F, Ansari S, Rouhani MH, Hajhashemy Z, Saraf‐Bank S. A meta-analysis of the effect of probiotic administration on age-related sarcopenia. Food Sci Nutr 2023; 11:4975-4987. [PMID: 37701185 PMCID: PMC10494607 DOI: 10.1002/fsn3.3515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/24/2023] [Accepted: 06/09/2023] [Indexed: 09/14/2023] Open
Abstract
Global increase in the prevalence of age-related diseases, such as sarcopenia, highlights the need of recognizing agents that improve muscle health; however, the evidence synthesis on the impact of probiotic administration on sarcopenia is scarce. To summarize and evaluate findings regarding the effect of supplementation with probiotics on sarcopenia, this meta-analysis was conducted. Using databases, including PubMed, SCOPUS, ISI-Web of Science, and Cochrane Library, interventional studies were included if they investigate the effect of probiotic administration on at least one of the components of sarcopenia up to 6 October 2022. Risk of bias evaluation was conducted using the Cochrane quality assessment tool. The random-effects model which takes between-study variations into account was used to obtain the overall effect sizes. The STATA version 14.0 was used for statistical analyses. Overall, 17 studies were included. There was high certainty of evidence that probiotic supplementation has a beneficial effect on muscle mass (kg) (WMD: 0.55, 95% CI: 0.05, 1.05; I 2: 0.0%, p = .995), and muscle function (WMD: 0.13, 95% CI: 0.03, 0.23; I 2: 65.6%, p = .05). Moreover, administration of probiotics for more than 12 weeks significantly increased muscle strength (WMD: 1.16, 95% CI: 0.88, 1.44; I 2: 0.0%, p = .77). However, probiotic supplementation had no effect on anthropometric indices, including body mass index. Probiotic supplementation could improve muscle mass and muscle function in adults more than 55 years old. The beneficial effect of probiotics on muscle strength could appear after 12 weeks of supplementation.
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Affiliation(s)
- Nafiseh Shokri‐Mashhadi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research CenterIsfahan University of Medical SciencesIsfahanIran
| | - Fatemeh Navab
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research CenterIsfahan University of Medical SciencesIsfahanIran
| | - Shakila Ansari
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research CenterIsfahan University of Medical SciencesIsfahanIran
| | - Mohammad Hossein Rouhani
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research CenterIsfahan University of Medical SciencesIsfahanIran
| | - Zahra Hajhashemy
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research CenterIsfahan University of Medical SciencesIsfahanIran
| | - Sahar Saraf‐Bank
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research CenterIsfahan University of Medical SciencesIsfahanIran
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25
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Liu S, Zhang L, Li S. Advances in nutritional supplementation for sarcopenia management. Front Nutr 2023; 10:1189522. [PMID: 37492597 PMCID: PMC10365293 DOI: 10.3389/fnut.2023.1189522] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 06/20/2023] [Indexed: 07/27/2023] Open
Abstract
Sarcopenia is a syndrome characterized by a decline in muscular mass, strength, and function with advancing age. The risk of falls, fragility, hospitalization, and death is considerably increased in the senior population due to sarcopenia. Although there is no conclusive evidence for drug treatment, resistance training has been unanimously recognized as a first-line treatment for managing sarcopenia, and numerous studies have also pointed to the combination of nutritional supplementation and resistance training as a more effective intervention to improve quality of life for people with sarcopenia. People with both malnutrition and sarcopenia have a higher mortality rate, so identifying people at risk of malnutrition and intervening early is extremely important to avoid sarcopenia and its associated problems. This article provides important information for dietary interventions in sarcopenia by summarizing the discoveries and developments of nutritional supplements such as protein, leucine, β-hydroxy-β-methylbutyric acid, vitamin D, vitamin C, vitamin E, omega-3 fatty acids, creatine, inorganic nitrate, probiotics, minerals, collagen peptides, and polyphenols in the management of sarcopenia.
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Affiliation(s)
- Simin Liu
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lin Zhang
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Shuangqing Li
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- National Clinical Research Center for Geriatrics, Multimorbidity Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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26
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Jenkins AR, Gaynor-Sodeifi K, Lewthwaite H, Triandafilou J, Belo LF, de Oliveira MF, Jensen D. Efficacy of interventions to alter measures of fat-free mass in people with COPD: a systematic review and meta-analysis. ERJ Open Res 2023; 9:00102-2023. [PMID: 37529637 PMCID: PMC10388177 DOI: 10.1183/23120541.00102-2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 04/08/2023] [Indexed: 08/03/2023] Open
Abstract
Introduction Low fat-free mass (FFM) is linked to poor health outcomes in COPD, including impaired exercise tolerance and premature death. The aim of this systematic review was to synthesise evidence on the effectiveness of interventions for increasing FFM in COPD. Methods Searches of electronic databases (MEDLINE, Cochrane Library, Embase, Web of Science, Scopus) and trial registers (ClinicalTrials.gov) were undertaken from inception to August 2022 for randomised studies of interventions assessing measures of FFM in COPD. The primary outcome was change in FFM (including derivatives). Secondary outcomes were adverse events, compliance and attrition. Results 99 studies (n=5138 people with COPD) of 11 intervention components, used alone or in combination, were included. Exercise training increased mid-thigh cross-sectional area (k=3, standardised mean difference (SMD) 1.04, 95% CI 0.02-2.06; p=0.04), but not FFM (k=4, SMD 0.03, 95% CI -0.18-0.24; p=0.75). Nutritional supplementation significantly increased FFM index (k=11, SMD 0.31, 95% CI 0.13-0.50; p<0.001), but not FFM (k=19, SMD 0.16, 95% CI -0.06-0.39; p=0.16). Combined exercise training and nutritional supplementation increased measures related to FFM in 67% of studies. Anabolic steroids increased FFM (k=4, SMD 0.98, 95% CI 0.24-1.72; p=0.009). Neuromuscular electrical stimulation increased measures related to FFM in 50% of studies. No interventions were more at risk of serious adverse events, low compliance or attrition. Discussion Exercise training and nutritional supplementation were not effective in isolation to increase FFM, but were for localised muscle and index measures, respectively. Combined, exercise and nutritional supplementation shows promise as a strategy to increase FFM in COPD. Anabolic steroids are efficacious for increasing FFM in COPD.
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Affiliation(s)
- Alex R. Jenkins
- Clinical Exercise and Respiratory Physiology Laboratory, Department of Kinesiology and Physical Education, Faculty of Education, McGill University, Montréal, QC, Canada
| | - Kaveh Gaynor-Sodeifi
- Clinical Exercise and Respiratory Physiology Laboratory, Department of Kinesiology and Physical Education, Faculty of Education, McGill University, Montréal, QC, Canada
| | - Hayley Lewthwaite
- Clinical Exercise and Respiratory Physiology Laboratory, Department of Kinesiology and Physical Education, Faculty of Education, McGill University, Montréal, QC, Canada
- Centre of Research Excellence in Treatable Traits, College of Health, Medicine, and Wellbeing, University of Newcastle, Newcastle, NSW, Australia
- Asthma and Breathing Research Program, Hunter Medical Research Institute, Newcastle, NSW, Australia
| | - Jaycie Triandafilou
- Clinical Exercise and Respiratory Physiology Laboratory, Department of Kinesiology and Physical Education, Faculty of Education, McGill University, Montréal, QC, Canada
| | - Letícia F. Belo
- Clinical Exercise and Respiratory Physiology Laboratory, Department of Kinesiology and Physical Education, Faculty of Education, McGill University, Montréal, QC, Canada
- Laboratory of Research in Respiratory Physiotherapy, Physiotherapy Department, State University of Londrina, Londrina, Brazil
| | - Mayron Faria de Oliveira
- Clinical Exercise and Respiratory Physiology Laboratory, Department of Kinesiology and Physical Education, Faculty of Education, McGill University, Montréal, QC, Canada
- Science Division, Exercise Science, Lyon College, Batesville, AR, USA
| | - Dennis Jensen
- Clinical Exercise and Respiratory Physiology Laboratory, Department of Kinesiology and Physical Education, Faculty of Education, McGill University, Montréal, QC, Canada
- Translational Research in Respiratory Diseases Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
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Qaisar R, Karim A, Iqbal MS, Alkahtani SA, Ahmad F, Kamli H. ACE Inhibitors Improve Skeletal Muscle by Preserving Neuromuscular Junctions in Patients with Alzheimer's Disease. J Alzheimers Dis 2023:JAD230201. [PMID: 37334602 DOI: 10.3233/jad-230201] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
BACKGROUND Hypertension and skeletal muscle decline are common findings in patients with Alzheimer's disease (AD). Angiotensin-converting enzyme (ACE) inhibitors preserve skeletal muscle and physical capacity; however, the driving mechanisms are poorly understood. OBJECTIVE We investigated the effects of ACE inhibitors on the neuromuscular junction (NMJ) with relevance to skeletal muscle and physical capacity in AD patients and age-matched controls. METHODS We evaluated controls (n = 59) and three groups of AD patients, including normotensive (n = 51) and patients with hypertension taking ACE inhibitors (n = 53) or other anti-hypertensive medications (n = 49) at baseline and one year later. We measure plasma c-terminal agrin fragment-22 (CAF22) as a marker of NMJ degradation, handgrip strength (HGS), and Short Physical Performance Battery (SPPB) as markers of physical capacity. RESULTS At baseline AD patients demonstrated lower HGS and SPPB scores and higher CAF22 levels than controls, irrespective of the hypertension status (all p < 0.05). The use of ACE inhibitors was associated with higher HGS and relative maintenance of SPPB scores, gait speed, and plasma CAF22 levels. Conversely, other anti-hypertensive medications were associated with an unaltered HGS, reduced SPPB scores and elevated plasma CAF22 levels (both p < 0.05). We also found dynamic associations of CAF22 with HGS, gait speed, and SPPB in AD patients taking ACE inhibitors (all p < 0.05). These changes were associated with reduced oxidative stress in AD patients taking ACE inhibitors (p < 0.05). CONCLUSION Altogether, ACE inhibitors are associated with higher HGS, preserved physical capacity, and the prevention of NMJ degradation in hypertensive AD patients.
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Affiliation(s)
- Rizwan Qaisar
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Asima Karim
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - M Shahid Iqbal
- Department of Neurology and Stroke Medicine, Rehman Medical Institute, Peshawar, Pakistan
| | - Shaea A Alkahtani
- Exercise Physiology Department, College of Sport Sciences and Physical Activity, King Saud University, Riyadh, Saudi Arabia
| | - Firdos Ahmad
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Department of Biomedical Sciences, College of Health Sciences, Abu Dhabi University, Abu Dhabi, United Arab Emirates
| | - Hossam Kamli
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
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28
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Qaisar R, Karim A, Muhammad T, Alkahtani SA, Kamli H, Ahmad F. Degradation of neuromuscular junction contributes to muscle weakness but not physical compromise in chronic obstructive pulmonary disease patients taking lipids-lowering medications. Respir Med 2023:107298. [PMID: 37245649 DOI: 10.1016/j.rmed.2023.107298] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/19/2023] [Accepted: 05/26/2023] [Indexed: 05/30/2023]
Abstract
OBJECTIVES The relevant data about the effects and the associated mechanisms of statins on muscle strength and physical capacity is inconsistent. We investigated the potential contribution of neuromuscular junction (NMJ) degradation to muscle weakness and physical compromise in patients with chronic obstructive pulmonary disease (COPD) on statins. METHOD We recruited male COPD patients (age range = 63-75 years, n = 150) as nonusers (n = 71) and users of statin medications (n = 79) along with age-matched controls (n = 76). The COPD patients were evaluated at baseline and one year later. The data about handgrip strength (HGS), body composition, short physical performance battery (SPPB), and plasma c-terminal agrin fragment-22 (CAF22) as a marker of NMJ disintegration was collected at two time points. RESULTS We observed lower HGS, SPPB scores, and higher CAF22 levels in all COPD patients than controls, irrespective of the treatment status (all p < 0.05). Statins further reduced HGS and elevated CAF22 in COPD patients (both p < 0.05). The decline in SPPB was relatively modest in statin users (≈3.7%, p = 0.032) than in nonusers (≈8.7%, p = 0.002). The elevated plasma CAF22 exhibited robust negative correlations with a reduction in HGS but not with SPPB in COPD patients taking statins. We also found a reduction in markers of inflammation and no increase in oxidative stress markers following statin use in COPD patients. CONCLUSION Altogether, statin-induced NMJ degradation exacerbates muscle decline but does not contribute to physical compromise in COPD patients.
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Affiliation(s)
- Rizwan Qaisar
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates.
| | - Asima Karim
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Tahir Muhammad
- Department of Biochemistry, Gomal Medical College, Gomal University, Dera Ismail Khan, 30130, Pakistan
| | - Shaea A Alkahtani
- Exercise Physiology Department, College of Sport Sciences and Physical Activity, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Hossam Kamli
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha, 61421, Saudi Arabia
| | - Firdos Ahmad
- Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates; Cardiovascular Research Group, Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; Department of Biomedical Sciences, College of Health Sciences, Abu Dhabi University, Abu Dhabi, 59911, United Arab Emirates
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29
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Tian Y, Ran H, Wen X, Fu G, Zhou X, Liu R, Pan T. Probiotics improve symptoms of patients with COVID-19 through gut-lung axis: a systematic review and meta-analysis. Front Nutr 2023; 10:1179432. [PMID: 37284648 PMCID: PMC10239816 DOI: 10.3389/fnut.2023.1179432] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 05/02/2023] [Indexed: 06/08/2023] Open
Abstract
Background Multi system symptoms such as gastrointestinal tract and respiratory tract exist in coronavirus disease 2019 (COVID-19) patients. There is a lack of reliable evidence to prove that probiotics are effective in improving these symptoms. In this study, we aimed to evaluate the efficacy of probiotics in meta-analysis. Methods We systematically searched PubMed, Embase, Web of Science, and Cochrane Library up to February 15, 2023. Randomized controlled trials or high quality retrospective studies comparing the efficacy of probiotics as supplementation with non-probiotics in improving symptoms for patients with COVID-19 were included. This meta-analysis assessed endpoints using Review Manager 5.3. Result Ten citations comprising 1198 patients with COVID-19 were included. The results showed that probiotics could increase the number of people with overall symptom improvement (RR = 1.62, 95% CI [1.10, 2.38], P = 0.01) and shorten the duration (days) of overall symptoms (MD = -1.26, 95% CI [-2.36, -0.16], P = 0.02). For the duration (days) of specific symptoms, probiotics could improve diarrhea (MD = -2.12, 95% CI [-2.41, -1.83], P < 0.00001), cough (MD = -2.21, 95% CI [-4.56, 0.13], P = 0.06) and shortness of breath (MD = -1.37, 95% CI [-2.22, -0.53], P = 0.001). Probiotics had no obvious effect on fever, headache and weakness. For inflammation, probiotics could effectively reduce C-reactive Protein (CRP) serum level (mg/L) (MD = -4.03, 95% CI [-5.12, -2.93], P < 0.00001). Regarding hospital stay (days), probiotics group was shorter than non-probiotics group (MD = -0.98, 95% CI [-1.95, -0.01], P = 0.05). Conclusion To some extent probiotics could improve the overall symptoms, inflammatory reaction and shorten hospital stay of patients with COVID-19. Probiotics may improve gastrointestinal symptoms (such as improving intestinal flora and reducing the duration of diarrhea) and further improve respiratory symptoms through the gut-lung axis. Systematic review registration https://www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=398309, identifier: CRD42023398309.
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Affiliation(s)
- Yong Tian
- Clinical Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Department of Gastroenterology, Chengdu Integrated TCM and Western Medicine Hospital, Chengdu, Sichuan, China
| | - Hongmei Ran
- Department of Gastroenterology, Chengdu Integrated TCM and Western Medicine Hospital, Chengdu, Sichuan, China
| | - Xudong Wen
- Department of Gastroenterology, Chengdu Integrated TCM and Western Medicine Hospital, Chengdu, Sichuan, China
| | - Guochuan Fu
- Department of Gastroenterology, Chengdu Integrated TCM and Western Medicine Hospital, Chengdu, Sichuan, China
| | - Xiaofang Zhou
- Department of Gastroenterology, Chengdu Integrated TCM and Western Medicine Hospital, Chengdu, Sichuan, China
| | - Rui Liu
- Clinical Medical College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Tao Pan
- Department of Gastroenterology, Chengdu Integrated TCM and Western Medicine Hospital, Chengdu, Sichuan, China
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30
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Wang S, Wu J, Ran D, Ou G, Chen Y, Xu H, Deng L, Chen X. Study of the Relationship between Mucosal Immunity and Commensal Microbiota: A Bibliometric Analysis. Nutrients 2023; 15:nu15102398. [PMID: 37242281 DOI: 10.3390/nu15102398] [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: 04/13/2023] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
This study presents the first bibliometric evaluation and systematic analysis of publications related to mucosal immunity and commensal microbiota over the last two decades and summarizes the contribution of countries, institutions, and scholars in the study of this field. A total of 1423 articles related to mucosal immunity and commensal microbiota in vivo published in 532 journals by 7774 authors from 1771 institutions in 74 countries/regions were analyzed. The interaction between commensal microbiota in vivo and mucosal immunity is essential in regulating the immune response of the body, maintaining communication between different kinds of commensal microbiota and the host, and so on. Several hot spots in this field have been found to have received extensive attention in recent years, especially the effects of metabolites of key strains on mucosal immunity, the physiopathological phenomena of commensal microbiota in various sites including the intestine, and the relationship between COVID-19, mucosal immunity and microbiota. We hope that the full picture of the last 20 years in this research area provided in this study will serve to deliver necessary cutting-edge information to relevant researchers.
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Affiliation(s)
- Shiqi Wang
- School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China
| | - Jialin Wu
- School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China
| | - Duo Ran
- School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China
| | - Guosen Ou
- School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China
| | - Yaokang Chen
- School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China
| | - Huachong Xu
- School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China
| | - Li Deng
- School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China
| | - Xiaoyin Chen
- School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China
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31
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Shah S, Mu C, Moossavi S, Shen-Tu G, Schlicht K, Rohmann N, Geisler C, Laudes M, Franke A, Züllig T, Köfeler H, Shearer J. Physical activity-induced alterations of the gut microbiota are BMI dependent. FASEB J 2023; 37:e22882. [PMID: 36943402 DOI: 10.1096/fj.202201571r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 01/31/2023] [Accepted: 03/06/2023] [Indexed: 03/23/2023]
Abstract
Physical inactivity is one of the leading causes of chronic metabolic disease including obesity. Increasing physical activity (PA) has been shown to improve cardiometabolic and musculoskeletal health and to be associated with a distinct gut microbiota composition in trained athletes. However, the impact of PA on the gut microbiota is inconclusive for individuals performing PA in their day-to-day life. This study examined the role of PA and hand-grip strength on gut microbiome composition in middle-aged adults (40-65 years, n = 350) with normal (18.5-24.9 kg/m2 ) and overweight (25-29.9 kg/m2 ) body mass index (BMI). PA was recorded using the International Physical Activity Questionnaire, and hand-grip strength was measured using a dynamometer. Serum samples were assessed for lipidomics while DNA was extracted from fecal samples for microbiome analysis. Overweight participants showed a higher concentration of triacylglycerols, and lower concentrations of cholesteryl esters, sphingomyelin, and lyso-phosphotidylcholine lipids (p < .05) compared with those with normal BMI. Additionally, overweight participants had a lower abundance of the Oscillibacter genus (p < .05). The impact of PA duration on the gut microbiome was BMI dependent. In normal but not overweight participants, high PA duration showed greater relative abundance of commensal taxa such as Actinobacteria and Proteobacteria phyla, as well as Collinsella and Prevotella genera (p < .05). Furthermore, in males with normal BMI, a stronger grip strength was associated with a higher relative abundance of Faecalibacterium and F. prausnitzii (p < .05) compared with lower grip strength. Taken together, data suggest that BMI plays a significant role in modeling PA-induced changes in gut microbiota.
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Affiliation(s)
- Shrushti Shah
- Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
| | - Chunlong Mu
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Shirin Moossavi
- Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
| | - Grace Shen-Tu
- Alberta's Tomorrow Project, Cancer Control Alberta, Alberta Health Services, Edmonton, Alberta, Canada
| | - Kristina Schlicht
- Institute of Diabetes and Clinical Metabolic Research, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Nathalie Rohmann
- Institute of Diabetes and Clinical Metabolic Research, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Corinna Geisler
- Institute of Diabetes and Clinical Metabolic Research, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Matthias Laudes
- Institute of Diabetes and Clinical Metabolic Research, University Medical Center Schleswig-Holstein, Kiel, Germany
- Division of Endocrinology, Diabetes and Clinical Nutrition, Department of Medicine, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Andre Franke
- Institute of Clinical Molecular Biology, Kiel University, Kiel, Germany
| | - Thomas Züllig
- Core Facility Mass Spectrometry, Medical University of Graz, Graz, Austria
| | - Harald Köfeler
- Core Facility Mass Spectrometry, Medical University of Graz, Graz, Austria
| | - Jane Shearer
- Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Department of Biochemistry and Molecular Biology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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Karim A, Iqbal MS, Muhammad T, Ahmad F, Qaisar R. Elevated plasma zonulin and CAF22 are correlated with sarcopenia and functional dependency at various stages of Alzheimer’s diseases. Neurosci Res 2022; 184:47-53. [DOI: 10.1016/j.neures.2022.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 08/01/2022] [Accepted: 08/04/2022] [Indexed: 10/31/2022]
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Varela-Trinidad GU, Domínguez-Díaz C, Solórzano-Castanedo K, Íñiguez-Gutiérrez L, Hernández-Flores TDJ, Fafutis-Morris M. Probiotics: Protecting Our Health from the Gut. Microorganisms 2022; 10:microorganisms10071428. [PMID: 35889147 PMCID: PMC9316266 DOI: 10.3390/microorganisms10071428] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 02/07/2023] Open
Abstract
The gut microbiota (GM) comprises billions of microorganisms in the human gastrointestinal tract. This microbial community exerts numerous physiological functions. Prominent among these functions is the effect on host immunity through the uptake of nutrients that strengthen intestinal cells and cells involved in the immune response. The physiological functions of the GM are not limited to the gut, but bidirectional interactions between the gut microbiota and various extraintestinal organs have been identified. These interactions have been termed interorganic axes by several authors, among which the gut–brain, gut–skin, gut–lung, gut–heart, and gut–metabolism axes stand out. It has been shown that an organism is healthy or in homeostasis when the GM is in balance. However, altered GM or dysbiosis represents a critical factor in the pathogenesis of many local and systemic diseases. Therefore, probiotics intervene in this context, which, according to various published studies, allows balance to be maintained in the GM, leading to an individual’s good health.
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Affiliation(s)
- Gael Urait Varela-Trinidad
- Doctorado en Ciencias Biomédicas, Con Orientaciones en Inmunología y Neurociencias, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico; (G.U.V.-T.); (C.D.-D.)
- Centro de Investigación en Inmunología y Dermatología (CIINDE), Calzada del Federalismo Nte 3102, Zapopan 45190, Mexico
| | - Carolina Domínguez-Díaz
- Doctorado en Ciencias Biomédicas, Con Orientaciones en Inmunología y Neurociencias, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico; (G.U.V.-T.); (C.D.-D.)
- Centro de Investigación en Inmunología y Dermatología (CIINDE), Calzada del Federalismo Nte 3102, Zapopan 45190, Mexico
| | - Karla Solórzano-Castanedo
- Doctorado en Ciencias de la Nutrición Traslacional, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico;
| | - Liliana Íñiguez-Gutiérrez
- Instituto de Investigación de Inmunodeficiencias y VIH, Hospital Civil de Guadalajara, Coronel Calderón 777, Guadalajara 44280, Mexico; (L.Í.-G.); (T.d.J.H.-F.)
| | - Teresita de Jesús Hernández-Flores
- Instituto de Investigación de Inmunodeficiencias y VIH, Hospital Civil de Guadalajara, Coronel Calderón 777, Guadalajara 44280, Mexico; (L.Í.-G.); (T.d.J.H.-F.)
- Departamento de Disciplinas Filosóficas Metodológicas e Intrumentales, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico
| | - Mary Fafutis-Morris
- Centro de Investigación en Inmunología y Dermatología (CIINDE), Calzada del Federalismo Nte 3102, Zapopan 45190, Mexico
- Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico
- Correspondence: ; Tel.: +52-33-1411-4590
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