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Yadav S, Deepika, Moar K, Kumar A, Khola N, Pant A, Kakde GS, Maurya PK. Reconsidering red blood cells as the diagnostic potential for neurodegenerative disorders. Biol Cell 2024:e2400019. [PMID: 38822416 DOI: 10.1111/boc.202400019] [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: 02/22/2024] [Revised: 04/12/2024] [Accepted: 04/29/2024] [Indexed: 06/03/2024]
Abstract
BACKGROUND Red blood cells (RBCs) are usually considered simple cells and transporters of gases to tissues. HYPOTHESIS However, recent research has suggested that RBCs may have diagnostic potential in major neurodegenerative disorders (NDDs). RESULTS This review summarizes the current knowledge on changes in RBC in Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, and other NDDs. It discusses the deposition of neuronal proteins like amyloid-β, tau, and α-synuclein, polyamines, changes in the proteins of RBCs like band-3, membrane transporter proteins, heat shock proteins, oxidative stress biomarkers, and altered metabolic pathways in RBCs during neurodegeneration. It also highlights the comparison of RBC diagnostic markers to other in-market diagnoses and discusses the challenges in utilizing RBCs as diagnostic tools, such as the need for standardized protocols and further validation studies. SIGNIFICANCE STATEMENT The evidence suggests that RBCs have diagnostic potential in neurodegenerative disorders, and this study can pave the foundation for further research which may lead to the development of novel diagnostic approaches and treatments.
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Affiliation(s)
- Somu Yadav
- Department of Biochemistry, Central University of Haryana, Mahendergarh, India
| | - Deepika
- Department of Biochemistry, Central University of Haryana, Mahendergarh, India
| | - Kareena Moar
- Department of Biochemistry, Central University of Haryana, Mahendergarh, India
| | - Akshay Kumar
- Department of Biochemistry, Central University of Haryana, Mahendergarh, India
| | - Nikhila Khola
- Department of Biochemistry, Central University of Haryana, Mahendergarh, India
| | - Anuja Pant
- Department of Biochemistry, Central University of Haryana, Mahendergarh, India
| | - Ganseh S Kakde
- Department of Biochemistry, Central University of Haryana, Mahendergarh, India
| | - Pawan Kumar Maurya
- Department of Biochemistry, Central University of Haryana, Mahendergarh, India
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Tarabichi S, Lizcano JD, Abe EA, Goh GS, Baker CM, Parvizi J. Finding the Optimal Screening Test for Periprosthetic Joint Infection: A Prospective Study. J Arthroplasty 2024:S0883-5403(24)00129-3. [PMID: 38452860 DOI: 10.1016/j.arth.2024.02.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 02/06/2024] [Accepted: 02/08/2024] [Indexed: 03/09/2024] Open
Abstract
BACKGROUND No single test has demonstrated absolute accuracy in the diagnosis of periprosthetic joint infection (PJI). Serological markers are often used as screening tools to avoid unnecessary joint aspiration in cases with a low probability of infection. This study aimed to determine the utility of standard-of-care serological tests as a screening tool for PJI in patients undergoing revision arthroplasty. METHODS This prospective study enrolled 502 patients undergoing revision hip or knee arthroplasty between May 2017 and August 2021. A PJI was defined using a modified definition of the 2018 International Consensus Meeting criteria. Plasma D-dimer, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and fibrinogen were measured preoperatively. There were 82 patients undergoing reimplantation who were excluded. Additionally, 8 patients who had an inconclusive International Consensus Meeting score were also excluded. Of the 412 included patients, 317 (76.9%) underwent revision for aseptic failure, and 95 (23.1%) had PJI. Receiver operating characteristic curves were used to assess the diagnostic utility of each serological test. A pairwise comparison with Bonferroni correction was performed to determine whether the differences in areas under the curve (AUCs) between the tests were significant. Additional analyses were performed to find the threshold for each test that offered 100% sensitivity, allowing it to be the optimal screening test. RESULTS All 4 serological markers, D-dimer (AUC 0.860, sensitivity 81.3%, specificity 81.7%), CRP (AUC 0.862, sensitivity 90.4%, specificity 70.0%), ESR (AUC 0.833, sensitivity 73.9%, specificity 85.2%), and fibrinogen (AUC 0.798, sensitivity 74.7%, specificity 75.4%), demonstrated comparable accuracy for the diagnosis of PJI (all P > .05). When maximizing sensitivity to 100%, D-dimer demonstrated the highest specificity (AUC 0.860, specificity 40.2%), outperforming ESR (AUC 0.833, specificity 3.3%), fibrinogen (AUC 0.798, specificity 2.3%), and CRP (AUC 0.862, specificity 0%). A plasma D-dimer level of ≥ 244 ng/mL was identified as the optimal cutoff for use as a screening test. CONCLUSIONS Although plasma D-dimer demonstrated similar diagnostic accuracy as CRP, ESR, and fibrinogen, it outperformed all 3 aforementioned serological markers when used as a screening test for PJI. LEVEL OF EVIDENCE Level II.
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Affiliation(s)
- Saad Tarabichi
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Juan D Lizcano
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Elizabeth A Abe
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Graham S Goh
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania; Department of Orthopaedic Surgery, Boston University Medical Center, Boston, Massachusetts
| | - Colin M Baker
- Department of Orthopaedic Surgery, Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania; Department of Orthopaedic Surgery, Cleveland Clinic South Pointe, Cleveland, Ohio
| | - Javad Parvizi
- International Joint Center, Acibadem University Hospital, Istanbul, Turkey
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Schill F, Engström G, Melander O, Timpka S, Enhörning S. The possible role of the vasopressin system in hematopoiesis. Sci Rep 2024; 14:5085. [PMID: 38429469 PMCID: PMC10907562 DOI: 10.1038/s41598-024-55772-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 02/27/2024] [Indexed: 03/03/2024] Open
Abstract
Vasopressin is a pleiotropic hormone that controls body fluid homeostasis. Vasopressin has also been proposed to be involved in erythropoiesis, thrombocyte activity and inflammation. However, whether increasing vasopressin is associated with changes in hematopoietic markers is not known. To evaluate this gap of knowledge we measured the vasopressin marker copeptin and markers of erythropoiesis (erythrocyte count, hemoglobin (Hb), red blood cell distribution width (RDW), mean corpuscular volume (MCV), erythrocyte volume fraction (EVF)), leukocyte count (total count, lymphocytes, neutrophils) and thrombocyte count in 5312 participants from the Swedish CArdioPulmonary bioImage Study (SCAPIS). The associations between increasing copeptin tertile and the hematopoietic markers were analyzed in multivariate linear regression analyses. We found that increasing copeptin tertile was significantly (p < 0.001) associated with increasing erythrocytes, RDW, EVF, Hb, leukocytes and neutrophils after adjustment for age, sex, current smoking, prevalent diabetes, hypertension, creatinine, body mass index and physical activity. Increasing copeptin tertile was, however, not associated with change in MCV, lymphocyte or thrombocyte count. In conclusion, we found that increasing copeptin levels are positively associated with markers of erythropoiesis and leukocyte count in the general population. These results warrant further research on possible mechanistic effects of vasopressin on hematopoiesis.
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Affiliation(s)
- Fredrika Schill
- Department of Cardiology, Skåne University Hospital, Carl-Bertil Laurells Gata 9, 214 28, Malmö, Sweden.
- Department of Clinical Sciences, Lund University, Jan Waldenströms Gata 35, 214 28, Malmö, Sweden.
| | - Gunnar Engström
- Department of Clinical Sciences, Lund University, Jan Waldenströms Gata 35, 214 28, Malmö, Sweden
| | - Olle Melander
- Department of Clinical Sciences, Lund University, Jan Waldenströms Gata 35, 214 28, Malmö, Sweden
- Department of Internal Medicine, Skåne University Hospital, Jan Waldenströms Gata 11 A, 214 28, Malmö, Sweden
| | - Simon Timpka
- Perinatal and Cardiovascular Epidemiology, Department of Clinical Sciences Malmö, Lund University, Jan Waldenströms gata 35, 214 28, Malmö, Sweden
- Department of Obstetrics and Gynecology, Skåne University Hospital, Jan Waldenströms gata 47, 214 28, Malmö, Sweden
| | - Sofia Enhörning
- Department of Clinical Sciences, Lund University, Jan Waldenströms Gata 35, 214 28, Malmö, Sweden
- Department of Internal Medicine, Skåne University Hospital, Jan Waldenströms Gata 11 A, 214 28, Malmö, Sweden
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Pang P, Zhuang S, Liu J, Chang LJ, Yang H, Fan X, Mi J, Zhang Y, Fan Y, Liu Y, Zhang W, Ma W. Effect of different acupuncture sequences of Huiyangjiuzhen acupoints on blood glucose and hemorheology in the anesthetized rabbits. Heliyon 2024; 10:e25497. [PMID: 38370255 PMCID: PMC10867347 DOI: 10.1016/j.heliyon.2024.e25497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 01/09/2024] [Accepted: 01/29/2024] [Indexed: 02/20/2024] Open
Abstract
Background and objective Hemorheology and blood glucose are commonly used to estimate the risks of thrombosis and stress hyperglycemia after anaesthesia. The sequence of acupoint stimulation might influence the therapeutic effects of acupuncture. In the current study, we aimed at investigating the effect of different acupuncture sequences of "Huiyangjiuzhen" acupoints on the blood glucose and hemorheology in anesthetized rabbits. Methods Twenty-five rabbits were randomly divided into five groups, including the control group (CG), the positive-sequence group (PSG), the reverse-sequence group (RSG), the disorder-sequence group (DSG), and the random group (RG). Except for the CG and RG, the rabbits in other groups were acupunctured with different sequences of "Huiyangjiuzhen"acupoints when the rabbits were anesthetized. The acupoints in rabbits of the RG were chosen randomly. The levels of blood glucose and hemorheology indexes before and after anaesthesia was detected. Results In the PSG, Hηb 200/s, Mηb 30/s, Hηr 200/s, ERI, hematocrit and plasma viscosity levels were decreased, and the blood glucose level was not changed. In the DSG, the levels of Mηb 30/s and hematocrit were decreased, and the blood glucose was increased. In the CG, RSG and RG, no hemorheology indexes were changed and the blood glucose was increased. Conclusion "Huiyangjiuzhen" acupuncture could decrease the risks of post-operative thrombosis and stress hyperglycemia in anesthetized rabbits. This effectiveness depends on both acupuncture and acupuncture sequence at the "Huiyangjiuzhen" acupoints.
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Affiliation(s)
- Peiying Pang
- College of Veterinary Medicine & Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling, 712100, PR China
| | - Shen Zhuang
- College of Veterinary Medicine & Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling, 712100, PR China
| | - Jiaqi Liu
- College of Veterinary Medicine & Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling, 712100, PR China
| | - Li-jen Chang
- Department of Small Animal Clinical Sciences, Virginia Maryland College of Veterinary Medicine, Blacksburg, VA 24060, USA
| | - Haoyan Yang
- College of Veterinary Medicine & Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling, 712100, PR China
| | - Xiaoyu Fan
- College of Veterinary Medicine & Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling, 712100, PR China
| | - Jie Mi
- Xi'an Veterinary Teaching Hospital, Northwest A&F University, Xi'an, 710065, PR China
| | - Yongjun Zhang
- Beijing Xiangyun Guanzhong Veterinary Hospital, Shunyi, 101318, PR China
| | - Yunpeng Fan
- College of Veterinary Medicine & Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling, 712100, PR China
| | - Yingqiu Liu
- College of Veterinary Medicine & Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling, 712100, PR China
| | - Weimin Zhang
- College of Veterinary Medicine & Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling, 712100, PR China
| | - Wuren Ma
- College of Veterinary Medicine & Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University, Yangling, 712100, PR China
- Xi'an Veterinary Teaching Hospital, Northwest A&F University, Xi'an, 710065, PR China
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Obeagu EI. Red blood cells as biomarkers and mediators in complications of diabetes mellitus: A review. Medicine (Baltimore) 2024; 103:e37265. [PMID: 38394525 DOI: 10.1097/md.0000000000037265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/25/2024] Open
Abstract
Red blood cells (RBCs), traditionally recognized for their oxygen transport role, have garnered increasing attention for their significance as crucial contributors to the pathophysiology of diabetes mellitus. In this comprehensive review, we elucidate the multifaceted roles of RBCs as both biomarkers and mediators in diabetes mellitus. Amidst the intricate interplay of altered metabolic pathways and the diabetic milieu, RBCs manifest distinct alterations in their structure, function, and lifespan. The chronic exposure to hyperglycemia induces oxidative stress, leading to modifications in RBC physiology and membrane integrity. These modifications, including glycation of hemoglobin (HbA1c), establish RBCs as invaluable biomarkers for assessing glycemic control over extended periods. Moreover, RBCs serve as mediators in the progression of diabetic complications. Their involvement in vascular dysfunction, hemorheological changes, and inflammatory pathways contributes significantly to diabetic microangiopathy and associated complications. Exploring the therapeutic implications, this review addresses potential interventions targeting RBC abnormalities to ameliorate diabetic complications. In conclusion, comprehending the nuanced roles of RBCs as biomarkers and mediators in diabetes mellitus offers promising avenues for enhanced diagnostic precision, therapeutic interventions, and improved patient outcomes. This review consolidates the current understanding and emphasizes the imperative need for further research to harness the full potential of RBC-related insights in the realm of diabetes mellitus.
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Mantskava M, Chkhitauri L, Shekiladze E, Tskhvediani N, Kalmakhelidze S, Momtselidze N, Prantl L, Jung F, Machalinski B, Wojciech P, Sanikidze T. Impact of different severity hyperglycemia on erythrocyte rheological properties1. Clin Hemorheol Microcirc 2024:CH239104. [PMID: 38363605 DOI: 10.3233/ch-239104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
BACKGROUND The triad "insulin resistance, prediabetes, diabetes" is three independent neologies with characteristic features and development. In addition, each are characterized by progression and the possibility of transition from one form to other. Due to the fact that diabetes is one of the common diseases associated with high rates of disability, it is necessary to improve diagnostic methods and educational regimens for successful prevention and treatment of the disease. OBJECTIVE We investigated Band 3 protein (B3p) level, osmotic resistance of erythrocytes, the total antioxidant activity (TAA) of blood serum, level of HbA1 in group patients with insulin resistance (IR), prediabetes, and Type 2 Diabetes Mellitus (T2DM) and comparative with health control group. METHODS We used original, accurate research methods that measure the essence of the studied quantities. RESULTS Disruptions of glucose and insulin homeostasis ay lead to the initiation of oxidative stress (in our study demonstrated by a decrease of TAA of blood serum) increased redox-sensitive PTP activity and aberrant band 3 phosphorylation, potentially leading to reduced erythrocyte deformability. At the same time glycation of Hb during T2DM may affect its cross-link with membrane proteins, in particular with B3p, and although appears to limit its cross-linking and decrease its clusterization ability, induces alterations in the cytoskeletal matrix, and thereby decrease erythrocytes' osmotic resistance making them more susceptible to hemolysis. CONCLUSIONS The osmotic resistance of the erythrocytes can be used as a sensitive marker for the detection of the early stages of hyperglycemia (prediabetes). This set of clinical trials will make it possible to identify diseases that make up the triad at an early stage. Early detection of disorders and continued research in this direction will help in the development of a diagnostic scheme for the prevention of such patients. Based on our data, research into anti-oxidation drugs is very important. With the help of the array of studies described in the article and antioxidant treatment, the likelihood of successful treatment will increase.
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Affiliation(s)
- M Mantskava
- Ivane Beritashvili Center of Experimental Biomedicine, Tbilisi, Georgia
- Tbilisi State Medical University, Tbilisi, Georgia
| | - L Chkhitauri
- Ivane Javakhishvili State University, Tbilisi, Georgia
| | - E Shekiladze
- Tbilisi State Medical University, Tbilisi, Georgia
| | | | - S Kalmakhelidze
- Ivane Beritashvili Center of Experimental Biomedicine, Tbilisi, Georgia
- Tbilisi State Medical University, Tbilisi, Georgia
| | - N Momtselidze
- Ivane Beritashvili Center of Experimental Biomedicine, Tbilisi, Georgia
| | - L Prantl
- University Hospital Regensburg, Regensburg, Germany
| | - F Jung
- Brandenburg University of Technology, Cottbus Senftenberg, Germany
| | | | - P Wojciech
- Pomeranian Medical University, Szczecin, Poland
| | - T Sanikidze
- Tbilisi State Medical University, Tbilisi, Georgia
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Hu Y, Liu X, Zhang W, Chen J, Chen X, Tan S. Inulin Can Improve Red Blood Cell Cryopreservation by Promoting Vitrification, Stabilizing Cell Membranes, and Inhibiting Ice Recrystallization. ACS Biomater Sci Eng 2024; 10:851-862. [PMID: 38176101 DOI: 10.1021/acsbiomaterials.3c01463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
In transfusion medicine, the cryopreservation of red blood cells (RBCs) is of major importance. The organic solvent glycerol (Gly) is considered the current gold-standard cryoprotectant (CPA) for RBC cryopreservation, but the deglycerolization procedure is complex and time-consuming, resulting in severe hemolysis. Therefore, it remains a research hotspot to find biocompatible and effective novel CPAs. Herein, the natural and biocompatible inulin, a polysaccharide, was first employed as a CPA for RBC cryopreservation. The presence of inulin could improve the thawed RBC recovery from 11.83 ± 1.40 to 81.86 ± 0.37%. It was found that inulin could promote vitrification because of its relatively high viscosity and glass transition temperature (Tg'), thus reducing the damage during cryopreservation. Inulin possessed membrane stability, which also had beneficial effects on RBC recovery. Moreover, inulin could inhibit the mechanical damage induced by ice recrystallization during thawing. After cryopreservation, the RBC properties were maintained normally. Mathematical modeling analysis was adopted to compare the performance of inulin, Gly, and hydroxyethyl starch (HES) in cryopreservation, and inulin presented the best efficiency. This work provides a promising CPA for RBC cryopreservation and may be beneficial for transfusion therapy in the clinic.
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Affiliation(s)
- Yuying Hu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Xiangjian Liu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Wenqian Zhang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Jiangming Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Xiaoxiao Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
| | - Songwen Tan
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, China
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Aldosari BN, Abdellatif AAH, Almurshedi AS, Alfagih IM, AlQuadeib BT, Abbas AYA, Hassan YA, Abdelfattah A, Tawfeek HM. Development of oral formulation of Lepidium seeds significantly decreases the high blood glucose levels in diabetic rats: in vitro formulation and in vivo antidiabetic performance. Drug Dev Ind Pharm 2024; 50:112-123. [PMID: 38156891 DOI: 10.1080/03639045.2023.2300649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Lepidium sativum, Garden Cress (GC), seeds have a lot of natural molecules with a pronounced activity against different disorders. It was reported that GC seeds have the ability to lower the blood glucose level. AIM The aim of this work was to formulate GC seeds into oral tablets containing a fixed dose of the grounded seeds. Furthermore, the anti-diabetic performance of the prepared tablets was studied in the streptozotocin rats' model in comparison with positive control metformin. METHODS Micrometrics of GC grounded seeds with different excipients were investigated. Then, GC tablets were prepared via direct compression technique. GC tablets were characterized for their uniformity of dosage unit, friability, hardness, disintegration time, and in vitro release. The antidiabetic effect was studied in rats for a period of 28 days. Glycosylated hemoglobin, liver performance, and lipid levels include total cholesterol (TC), triglycerides (TGs), high-density lipoprotein (HDL), and low-density lipoprotein (LDL) were also estimated. In addition, histopathological study of liver and pancreas was also performed. RESULTS Prosolv®EasyTab produced tablets with higher hardness, lower disintegration time, and fast release. GC tablets significantly lower the elevated blood glucose level. In addition, they have antihyperlipidemic activity, hepatocellular protective role and restore the histology of the liver and pancreas. CONCLUSION GC tablets could be a promising alternative formulation to control the high blood glucose level in diabetic rats rather than chemically derivatized drugs.
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Affiliation(s)
- Basmah N Aldosari
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed A H Abdellatif
- Department of Pharmaceutics, College of Pharmacy, Qassim University, Buraydah, Saudi Arabia
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
| | | | - Iman Mohammed Alfagih
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | | | - Asmaa Youssef A Abbas
- Histology and Cell Biology Department, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Yasser A Hassan
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Al-Kitab University, Kirkuk, Iraq
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Ahmed Abdelfattah
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Canada
- Industrial Pharmacy Department, Faculty of Pharmacy, Assiut University, Assiut, Egypt
| | - Hesham M Tawfeek
- Industrial Pharmacy Department, Faculty of Pharmacy, Assiut University, Assiut, Egypt
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Tai Y, Zhang Z, Liu Z, Li X, Yang Z, Wang Z, An L, Ma Q, Su Y. D-ribose metabolic disorder and diabetes mellitus. Mol Biol Rep 2024; 51:220. [PMID: 38281218 PMCID: PMC10822815 DOI: 10.1007/s11033-023-09076-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 11/21/2023] [Indexed: 01/30/2024]
Abstract
D-ribose, an ubiquitous pentose compound found in all living cells, serves as a vital constituent of numerous essential biomolecules, including RNA, nucleotides, and riboflavin. It plays a crucial role in various fundamental life processes. Within the cellular milieu, exogenously supplied D-ribose can undergo phosphorylation to yield ribose-5-phosphate (R-5-P). This R-5-P compound serves a dual purpose: it not only contributes to adenosine triphosphate (ATP) production through the nonoxidative phase of the pentose phosphate pathway (PPP) but also participates in nucleotide synthesis. Consequently, D-ribose is employed both as a therapeutic agent for enhancing cardiac function in heart failure patients and as a remedy for post-exercise fatigue. Nevertheless, recent clinical studies have suggested a potential link between D-ribose metabolic disturbances and type 2 diabetes mellitus (T2DM) along with its associated complications. Additionally, certain in vitro experiments have indicated that exogenous D-ribose exposure could trigger apoptosis in specific cell lines. This article comprehensively reviews the current advancements in D-ribose's digestion, absorption, transmembrane transport, intracellular metabolic pathways, impact on cellular behaviour, and elevated levels in diabetes mellitus. It also identifies areas requiring further investigation.
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Affiliation(s)
- Yu Tai
- Institute of Biochemistry and Molecular Biology, Baotou Medical College, Baotou, Inner Mongolia, China
| | - Zehong Zhang
- Institute of Biochemistry and Molecular Biology, Baotou Medical College, Baotou, Inner Mongolia, China
- Department of Clinical Laboratory, the Fourth Hospital of Baotou, Baotou, Inner Mongolia, China
| | - Zhi Liu
- Institute of Biochemistry and Molecular Biology, Baotou Medical College, Baotou, Inner Mongolia, China
| | - Xiaojing Li
- Institute of Biochemistry and Molecular Biology, Baotou Medical College, Baotou, Inner Mongolia, China
| | - Zhongbin Yang
- Institute of Biochemistry and Molecular Biology, Baotou Medical College, Baotou, Inner Mongolia, China
| | - Zeying Wang
- Institute of Biochemistry and Molecular Biology, Baotou Medical College, Baotou, Inner Mongolia, China
| | - Liang An
- Department of Clinical Laboratory, the Fourth Hospital of Baotou, Baotou, Inner Mongolia, China
| | - Qiang Ma
- Institute of Biochemistry and Molecular Biology, Baotou Medical College, Baotou, Inner Mongolia, China
| | - Yan Su
- Institute of Biochemistry and Molecular Biology, Baotou Medical College, Baotou, Inner Mongolia, China.
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Tahir A, Asghar K, Shafiq W, Batool H, Khan D, Chughtai O, Chaudhary SU. Fingerprinting hyperglycemia using predictive modelling approach based on low-cost routine CBC and CRP diagnostics. Sci Rep 2024; 14:1090. [PMID: 38212326 PMCID: PMC10784542 DOI: 10.1038/s41598-023-44623-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 10/10/2023] [Indexed: 01/13/2024] Open
Abstract
Hyperglycemia is an outcome of dysregulated glucose homeostasis in the human body and may induce chronic elevation of blood glucose levels. Lifestyle factors such as overnutrition, physical inactivity, and psychosocials coupled with systemic low-grade inflammation have a strong negative impact on glucose homeostasis, in particular, insulin sensitivity. Together, these factors contribute to the pathophysiology of diabetes (DM) and expanding landscape of its prevalence regionally and globally. The rapid rise in the prevalence of type 2 diabetes, therefore, underscores the need for its early diagnosis and treatment. In this work, we have evaluated the discriminatory capacity of different diagnostic markers including inflammatory biomolecules and RBC (Red Blood Cell) indices in predicting the risk of hyperglycemia and borderline hyperglycemia. For that, 208,137 clinical diagnostic entries obtained over five years from Chugtai Labs, Pakistan, were retrospectively evaluated. The dataset included HbA1c (n = 142,011), complete blood count (CBC, n = 84,263), fasting blood glucose (FBG, n = 35,363), and C-reactive protein (CRP, n = 9035) tests. Our results provide four glycemic predictive models for two cohorts HbA1c and FBG) each having an overall predictive accuracy of more than 80% (p-value < 0.0001). Next, multivariate analysis (MANOVA) followed by univariate analysis (ANOVA) was employed to identify predictors with significant discriminatory capacity for different levels of glycemia. We show that the interplay between inflammation, hyperglycemic-induced derangements in RBC indices, and altered glucose homeostasis could be employed for prognosticating hyperglycemic outcomes. Our results then conclude a glycemic predictor with high sensitivity and specificity, employing inflammatory markers coupled with RBC indices, to predict glycemic outcomes (ROC p-value < 0.0001). Taken together, this study outlines a predictor of glycemic outcomes which could assist as a prophylactic intervention in predicting the early onset of hyperglycemia and borderline hyperglycemia.
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Affiliation(s)
- Amna Tahir
- Biomedical Informatics and Engineering Research Laboratory, Department of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan
| | - Kashif Asghar
- Basic Science Department, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, Pakistan
| | - Waqas Shafiq
- Department of Internal Medicine, Shaukat Khanum Memorial Cancer Hospital and Research Centre, Lahore, Pakistan
| | - Hijab Batool
- Chughtai Institute of Pathology, Lahore, Pakistan
| | - Dilawar Khan
- Chughtai Institute of Pathology, Lahore, Pakistan
| | | | - Safee Ullah Chaudhary
- Biomedical Informatics and Engineering Research Laboratory, Department of Life Sciences, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan.
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Hsu LA, Wu S, Teng MS, Ko YL. Causal links of α-thalassemia indices and cardiometabolic traits and diabetes: MR study. Life Sci Alliance 2023; 6:e202302204. [PMID: 37788909 PMCID: PMC10547910 DOI: 10.26508/lsa.202302204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/15/2023] [Accepted: 09/19/2023] [Indexed: 10/05/2023] Open
Abstract
Our study aimed to investigate if genetic variants around 16p13.3's HBA1 locus, associated with erythrocyte indices and HbA1c levels, predict α-thalassemia-related erythrocyte indices, cardiometabolic traits, and diabetes risk in Taiwanese individuals. We analyzed Taiwan Biobank data, including whole-genome sequencing from 1,493 participants and genotyping arrays from 129,542 individuals. First, we performed regional association analysis using whole-genome sequencing data to identify genetic variants significantly associated with erythrocyte indices, confirming their linkage disequilibrium with the α0 thalassemia --SEA deletion mutation, a common cause of α-thalassemia in Southeast Asian populations. Deletion mutation sequencing further validated these variants' association with α-thalassemia. Subsequently, we analyzed genotyping array data, revealing associations between specific genetic variants and cardiometabolic traits, including lipid profiles, HbA1c levels, bilirubin levels, and diabetes risk. Using Mendelian randomization, we established causal relationships between α-thalassemia-related erythrocyte indices and cardiometabolic traits, elucidating their role in diabetes susceptibility. Our findings highlight genetic variants around the α-globin genes as surrogate markers for common α-thalassemia mutations in Taiwan, emphasizing the causal links between α-thalassemia-related erythrocyte indices, cardiometabolic traits, and heightened diabetes risk.
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Affiliation(s)
- Lung-An Hsu
- The First Cardiovascular Division, Department of Internal Medicine, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Semon Wu
- Department of Life Science, Chinese Culture University, Taipei, Taiwan
| | - Ming-Sheng Teng
- https://ror.org/00q017g63 Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
| | - Yu-Lin Ko
- https://ror.org/00q017g63 Department of Research, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
- https://ror.org/00q017g63 The Division of Cardiology, Department of Internal Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
- School of Medicine, Tzu Chi University, Hualien, Taiwan
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Hassan AA, Ahmed BE, Adam I. Red Cell Distribution Width and Prediabetes in Adults in Northern Sudan: A Case-Control Study. Hematol Rep 2023; 15:651-661. [PMID: 37987322 PMCID: PMC10660754 DOI: 10.3390/hematolrep15040066] [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: 09/12/2023] [Revised: 10/23/2023] [Accepted: 11/10/2023] [Indexed: 11/22/2023] Open
Abstract
Diabetes mellitus (DM) is a major public health issue worldwide. Red cell distribution width (RDW) has been reported to have predictive value in several diseases, including DM. Few data exist on the association between RDW and the prediabetic stage. Thus, the present study aimed to investigate the association between RDW and prediabetes in adults in Sudan. This case-control study was conducted in Northern Sudan in 2022. The cases (n = 107) were prediabetic patients categorized according to the level of glycated hemoglobin (HbA1c), which ranged from 5.7% to 6.4%, while the controls (n = 107) were healthy participants. A questionnaire was used to collect the data. Standard methods were used to measure the HbAIc level and RDW. Logistic regression analysis was performed. The median (interquartile range (IQR)) of the RDW was significantly higher in prediabetic patients than in the controls (14.5% [13.8-15.3%] vs. 14.1% [13.6-14.7%], p = 0.003). Sex, educational level, occupational status, marital status, cigarette smoking, alcohol consumption, family history of DM, and body mass index were not associated with prediabetes. In the multivariate-adjusted model, higher age and higher RDW were associated with prediabetes. A positive correlation was found between RDW and HbA1c levels (r = 0.19, p = 0.006). In conclusion, this study supports the use of RDW as a predictor of DM.
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Affiliation(s)
- Ahmed A. Hassan
- Faculty of Medicine, University of Khartoum, Khartoum 11115, Sudan;
| | | | - Ishag Adam
- Department of Obstetrics and Gynecology, Unaizah College of Medicine and Medical Sciences, Qassim University, Unaizah 56219, Saudi Arabia
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Dobrynina LA, Shabalina AA, Shamtieva KV, Kremneva EI, Zabitova MR, Krotenkova MV, Burmak AG, Gnedovskaya EV. L-Arginine-eNOS-NO Functional System in Brain Damage and Cognitive Impairments in Cerebral Small Vessel Disease. Int J Mol Sci 2023; 24:14537. [PMID: 37833984 PMCID: PMC10572456 DOI: 10.3390/ijms241914537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/23/2023] [Accepted: 09/24/2023] [Indexed: 10/15/2023] Open
Abstract
Cerebral small vessel disease (CSVD) is a significant cause of cognitive impairment (CI), disability, and mortality. The insufficient effectiveness of antihypertensive therapy in curbing the disease justifies the search for potential targets for modifying therapy and indicators supporting its use. Using a laser-assisted optical rotational cell analyzer (LORRCA, Mechatronics, The Netherlands), the rheological properties and deformability of erythrocytes before and after incubation with 10 μmol/L of L-arginine, the nitric oxide (NO) donor, blood-brain barrier (BBB) permeability assessed by dynamic contrast-enhanced MRI, clinical, and MRI signs were studied in 73 patients with CSVD (48 women, mean age 60.1 ± 6.5 years). The control group consisted of 19 volunteers (14 women (73.7%), mean age 56.9 ± 6.4 years). The erythrocyte disaggregation rate (y-dis) after incubation with L-arginine showed better performance than other rheological characteristics in differentiating patients with reduced NO bioavailability/NO deficiency by its threshold values. Patients with y-dis > 113 s-1 had more severe CI, arterial hypertension, white matter lesions, and increased BBB permeability in grey matter and normal-appearing white matter (NAWM). A test to assess changes in the erythrocyte disaggregation rate after incubation with L-arginine can be used to identify patients with impaired NO bioavailability. L-arginine may be part of a therapeutic strategy for CSVD with CI.
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Affiliation(s)
| | | | | | | | - Maryam R. Zabitova
- Research Center of Neurology, 80 Volokolamskoe Shosse, 125367 Moscow, Russia; (L.A.D.); (A.A.S.); (K.V.S.); (E.I.K.); (M.V.K.); (A.G.B.); (E.V.G.)
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Li M, Tang F, Lao J, Yang Y, Cao J, Song R, Wu P, Wang Y. Multicomponent prediction of 2-year mortality and amputation in patients with diabetic foot using a random survival forest model: Uric acid, alanine transaminase, urine protein and platelet as important predictors. Int Wound J 2023; 21:e14376. [PMID: 37743574 PMCID: PMC10824700 DOI: 10.1111/iwj.14376] [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: 07/20/2023] [Accepted: 08/24/2023] [Indexed: 09/26/2023] Open
Abstract
The current methods for the prediction of mortality and amputation for inpatients with diabetic foot (DF) use only conventional, simple variables, which limits their performance. Here, we used a random survival forest (RSF) model and multicomponent variables to improve the prediction of mortality and amputation for these patients. We performed a retrospective cohort study of 175 inpatients with DF who were recruited between 2014 and 2021. Thirty-one predictors in six categories were considered as potential covariates. Seventy percent (n = 122) of the participants were randomly selected to constitute a training set, and 30% (n = 53) were assigned to a testing set. The RSF model was used to screen appropriate variables for their value as predictors of 2-year all-cause mortality and amputation, and a multicomponent prediction model was established. Model performance was evaluated using the area under the curve (AUC) and the Hosmer-Lemeshow test. The AUCs were compared using the Delong test. Seventeen variables were selected to predict mortality and 23 were selected to predict amputation. Uric acid and alanine transaminase were the top two most useful variables for the prediction of mortality, whereas urine protein and platelet were the top variables for the prediction of amputation. The AUCs were 0.913 and 0.851 for the prediction of mortality for the training and testing sets, respectively; and the equivalent AUCs were 0.963 and 0.893 for the prediction of amputation. There were no significant differences between the AUCs for the training and testing sets for both the mortality and amputation models. These models showed a good degree of fit. Thus, the RSF model can predict mortality and amputation in inpatients with DF. This multicomponent prediction model could help clinicians consider predictors of different dimensions to effectively prevent DF from clinical outcomes .
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Affiliation(s)
- Mingzhuo Li
- Department of Plastic SurgeryThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Center for Big Data Research in Health and MedicineThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Jinan Clinical Research Center for Tissue Engineering Skin Regeneration and Wound RepairJinanChina
- Shandong Data Open Innovative Application LaboratoryJinanChina
| | - Fang Tang
- Center for Big Data Research in Health and MedicineThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Shandong Data Open Innovative Application LaboratoryJinanChina
| | - Jiahui Lao
- Center for Big Data Research in Health and MedicineThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Shandong Data Open Innovative Application LaboratoryJinanChina
| | - Yang Yang
- Center for Big Data Research in Health and MedicineThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Shandong Data Open Innovative Application LaboratoryJinanChina
| | - Jia Cao
- Center for Big Data Research in Health and MedicineThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Shandong Data Open Innovative Application LaboratoryJinanChina
| | - Ru Song
- Department of Plastic SurgeryThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Jinan Clinical Research Center for Tissue Engineering Skin Regeneration and Wound RepairJinanChina
| | - Peng Wu
- Department of Plastic SurgeryThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Jinan Clinical Research Center for Tissue Engineering Skin Regeneration and Wound RepairJinanChina
| | - Yibing Wang
- Department of Plastic SurgeryThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Center for Big Data Research in Health and MedicineThe First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan HospitalJinanChina
- Jinan Clinical Research Center for Tissue Engineering Skin Regeneration and Wound RepairJinanChina
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Del Rio-Pertuz G, Morataya C, Parmar K, Elharabi Z, Davis D, Abohelwa M, Ochoa O, Tran A, Nugent K, Paniagua D, Argueta-Sosa E. Association between right heart catheterization hemodynamics and glycosylated hemoglobin levels in adults with heart failure with reduced ejection fraction. Cardiovasc Endocrinol Metab 2023; 12:e0285. [PMID: 37361478 PMCID: PMC10287124 DOI: 10.1097/xce.0000000000000285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 05/20/2023] [Indexed: 06/28/2023]
Abstract
This study hypothesized that elevated glycosylated hemoglobin (HbA1c) levels are associated with abnormal right heart catheterization (RHC) hemodynamic parameters in patients with heart failure with reduced ejection fraction (HFrEF) and no prior diagnosis of diabetes. Methods Retrospective cohort study of adult patients with HFrEF and no prior diagnosis of diabetes who underwent RHC and had HbA1c levels measured 30 days before or after the RHC. This study excluded patients who had received blood transfusions within 90 days prior to HbA1c measurement and patients with known diabetes. Univariate and multivariate regression analyses adjusted for age, sex, and BMI were used to test for an association between RHC hemodynamic parameters and HbA1c levels. Results A total of 136 patients were included with a mean age of 55 ± 15 years and mean HbA1c was 5.99 ± 0.64%. Unadjusted univariate models showed that HbA1c is significantly associated with cardiac index (CI) by the Fick method and thermodilution, right atrial pressure (RAP), and mean pulmonary arterial pressure (MPAP). After multivariate analysis, for every one unit increase in HbA1c, there was a 0.19 and 0.26 L/min/m2 decrease in expected CI by thermodilution and by the Fick method (P = 0.03 and P < 0.01), respectively. For every one unit increase in HbA1c, there was a 2.39 mmHg increase in expected RAP (P = 0.01). Conclusion Elevated HbA1c levels measured within 30 days before or after the index RHC in patients with a left ventricular ejection fraction <40% were associated with congestive hemodynamic parameters.
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Affiliation(s)
| | - Cristina Morataya
- Department of Internal Medicine, Texas Tech University Health Sciences Center
| | - Kanak Parmar
- Department of Internal Medicine, Texas Tech University Health Sciences Center
| | - Zeyad Elharabi
- Department of Internal Medicine, Texas Tech University Health Sciences Center
| | - Daniel Davis
- Department of Internal Medicine, Texas Tech University Health Sciences Center
| | - Mostafa Abohelwa
- Department of Internal Medicine, Texas Tech University Health Sciences Center
| | - Ozman Ochoa
- Department of Internal Medicine, Texas Tech University Health Sciences Center
| | - Alison Tran
- Department of Internal Medicine, Texas Tech University Health Sciences Center
| | - Kenneth Nugent
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Texas Tech University Health Sciences Center Lubbock
| | - David Paniagua
- Department of Internal Medicine, Baylor College of Medicine, Houston
| | - Erwin Argueta-Sosa
- Division of Cardiology, Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas, USA
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16
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Williams A, Bissinger R, Shamaa H, Patel S, Bourne L, Artunc F, Qadri SM. Pathophysiology of Red Blood Cell Dysfunction in Diabetes and Its Complications. PATHOPHYSIOLOGY 2023; 30:327-345. [PMID: 37606388 PMCID: PMC10443300 DOI: 10.3390/pathophysiology30030026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/01/2023] [Accepted: 08/01/2023] [Indexed: 08/23/2023] Open
Abstract
Diabetes Mellitus (DM) is a complex metabolic disorder associated with multiple microvascular complications leading to nephropathy, retinopathy, and neuropathy. Mounting evidence suggests that red blood cell (RBC) alterations are both a cause and consequence of disturbances related to DM-associated complications. Importantly, a significant proportion of DM patients develop varying degrees of anemia of confounding etiology, leading to increased morbidity. In chronic hyperglycemia, RBCs display morphological, enzymatic, and biophysical changes, which in turn prime them for swift phagocytic clearance from circulation. A multitude of endogenous factors, such as oxidative and dicarbonyl stress, uremic toxins, extracellular hypertonicity, sorbitol accumulation, and deranged nitric oxide metabolism, have been implicated in pathological RBC changes in DM. This review collates clinical laboratory findings of changes in hematology indices in DM patients and discusses recent reports on the putative mechanisms underpinning shortened RBC survival and disturbed cell membrane architecture within the diabetic milieu. Specifically, RBC cell death signaling, RBC metabolism, procoagulant RBC phenotype, RBC-triggered endothelial cell dysfunction, and changes in RBC deformability and aggregation in the context of DM are discussed. Understanding the mechanisms of RBC alterations in DM provides valuable insights into the clinical significance of the crosstalk between RBCs and microangiopathy in DM.
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Affiliation(s)
- Alyssa Williams
- Faculty of Science, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
- School of Biomedical Engineering, McMaster University, Hamilton, ON L8S 4M1, Canada
| | - Rosi Bissinger
- Division of Endocrinology, Diabetology and Nephrology, Department of Internal Medicine, University Hospital Tübingen, 72076 Tübingen, Germany
| | - Hala Shamaa
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
| | - Shivani Patel
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
| | - Lavern Bourne
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
| | - Ferruh Artunc
- Division of Endocrinology, Diabetology and Nephrology, Department of Internal Medicine, University Hospital Tübingen, 72076 Tübingen, Germany
- Institute of Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research at the University of Tübingen, 72076 Tübingen, Germany
| | - Syed M. Qadri
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
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17
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Gardner AM, Gardner PR. Dioxygen and glucose force motion of the electron-transfer switch in the iron(III) flavohemoglobin-type nitric oxide dioxygenase. J Inorg Biochem 2023; 245:112257. [PMID: 37229820 DOI: 10.1016/j.jinorgbio.2023.112257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 04/28/2023] [Accepted: 05/11/2023] [Indexed: 05/27/2023]
Abstract
Kinetic and structural investigations of the flavohemoglobin-type NO dioxygenase have suggested critical roles for transient Fe(III)O2 complex formation and O2-forced movements affecting hydride transfer to the FAD cofactor and electron-transfer to the Fe(III)O2 complex. Stark-effect theory together with structural models and dipole and internal electrostatic field determinations provided a semi-quantitative spectroscopic method for investigating the proposed Fe(III)O2 complex and O2-forced movements. Deoxygenation of the enzyme causes Stark effects on the ferric heme Soret and charge-transfer bands revealing the Fe(III)O2 complex. Deoxygenation also elicits Stark effects on the FAD that expose forces and motions that create a more restricted NADH access to FAD for hydride transfer and switch electron-transfer off. Glucose also forces the enzyme toward an off state. Amino acid substitutions at the B10, E7, E11, G8, D5, and F7 positions influence the Stark effects of O2 on resting heme spin states and FAD consistent with the proposed roles of the side chains in the enzyme mechanism. Deoxygenation of ferric myoglobin and hemoglobin A also induces Stark effects on the hemes suggesting a common 'oxy-met' state. The ferric myoglobin and hemoglobin heme spectra are also glucose-responsive. A conserved glucose or glucose-6-phosphate binding site is found bridging the BC-corner and G-helix in flavohemoglobin and myoglobin suggesting novel allosteric effector roles for glucose or glucose-6-phosphate in the NO dioxygenase and O2 storage functions. The results support the proposed roles of a ferric O2 intermediate and protein motions in regulating electron-transfer during NO dioxygenase turnover.
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Affiliation(s)
- Anne M Gardner
- Research and Development Division, Miami Valley Biotech, Suite 2445, 1001 E. 2(nd) Street, Dayton, OH 45402, USA; Division of Critical Care Medicine, Cincinnati Children's Hospital Medical Center, R033, 3333 Burnet Avenue, Cincinnati, OH 45229, USA.
| | - Paul R Gardner
- Research and Development Division, Miami Valley Biotech, Suite 2445, 1001 E. 2(nd) Street, Dayton, OH 45402, USA; Division of Critical Care Medicine, Cincinnati Children's Hospital Medical Center, R033, 3333 Burnet Avenue, Cincinnati, OH 45229, USA; Chemistry and Biochemistry Department, University of Dayton, 300 College Park, Dayton, OH 45469, USA.
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Allahyani M. Association of the Red Cell Distribution Width With the Glycemic Index and Lipid Profile in Patients With Type 2 Diabetes Mellitus. Cureus 2023; 15:e42800. [PMID: 37538973 PMCID: PMC10394479 DOI: 10.7759/cureus.42800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/31/2023] [Indexed: 08/05/2023] Open
Abstract
Background The aim of this study was to assess the association between the red cell distribution width (RDW) and the hemoglobin A1C (HbA1c) and lipid profiles in patients with type 2 diabetes (T2DM). Materials and methods This case-control study included 130 individuals with T2DM disease who were admitted to the Diabetic Center in Taif, Saudi Arabia, between August and December 2022. The patients were divided into two groups: pre-diabetic (45 patients) and diabetic (85 patients). A total of 65 healthy people were included in the study as controls. The (HbA1c) level, lipid profile, and complete blood count (CBC) were determined for each participant, and differences in those parameters between the groups were evaluated using the one-way ANOVA test or Kruskal-Wallis test. The association between different parameters, including the RDW, was evaluated using the Pearson correlation coefficient. Results Both the pre-diabetic and diabetic patients were obese and had high concentrations of triglycerides, cholesterol, and low-density lipoprotein (LDL). None of the diabetic patients had anemia of any type. However, the RDW was higher in the diabetic group than in the healthy controls and a significant difference was detected. A positive correlation was detected between the RDW and the HbA1c levels and lipid profiles. Discussion The size of the red blood cells varied in patients with T2DM, as demonstrated by the high RDW values. The RDW showed a positive correlation with the glycemic index and with the lipid profile in patients with T2DM, suggesting that it is a useful prognostic marker for managing patients with T2DM.
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Affiliation(s)
- Mamdouh Allahyani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif, SAU
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Chemlal H, Bournine L, Mimoune S, Boufeniche S, Beddou L, Bensalem S, Iguer-Ouada M. Close relationship between high HbA 1c levels and methemoglobin generation in human erythrocytes: The enhancement of oxidative stress in the process. J Diabetes Complications 2023; 37:108543. [PMID: 37331270 DOI: 10.1016/j.jdiacomp.2023.108543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 06/10/2023] [Accepted: 06/10/2023] [Indexed: 06/20/2023]
Abstract
OBJECTIVE This study aimed to investigate the effect of diabetic plasma on human red blood cells (RBCs) in order to highlight the amplification mechanisms of oxidative stress (OS) in relation to methemoglobin (metHb) production, a potential bio-indicator that could be related to diabetes disease. RESEARCH DESIGN AND METHODS Normal RBCs were co-incubated with the diabetic plasma of 24 patients at different HbA1c levels, for 0, 24, and 48 h in order to assess cell turbidity and hemoglobin (Hb) stability. Hb and metHb production were quantified inside and outside RBCs. Malonaldehyde (MDA) level and cell morphology were concomitantly evaluated. RESULTS The cell turbidity was significantly decreased in the group co-incubated with diabetic plasma at high HbA1c levels (0.074 ± 0.010 AU) compared to the control group (0.446 ± 0.019 AU). A significant decrease in intracellular Hb (0.390 ± 0.075 AU) and its stability (0.600 ± 0.001 AU) were revealed. Also, we found an important increase of metHb levels inside RBCs (0.186 ± 0.017 AU) and in its supernatant (0.086 ± 0.020 AU) after 48 h. Consequently, MDA absorbance increased significantly (0.320 ± 0.040 AU) in RBCs exposed to diabetic plasma with high HbA1c. CONCLUSION These findings suggest that poor glycemic control in diabetes leads to metHb generation which is the main factor of the OS amplification.
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Affiliation(s)
- Hanane Chemlal
- Laboratoire de Gestion et Valorisation des Ressources Naturelles et Assurances Qualités, Faculté des Sciences de la Nature et de la Vie et des Sciences de la Terre, Université de Bouira, 10000 Bouira, Algeria.
| | - Lamine Bournine
- Laboratoire de Biotechnologie Végétales et Ethnobotanique, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria; Département des Sciences Biologiques, Faculté des Sciences de la Nature et de la Vie et des Sciences de la Terre, Université de Bouira, 10000 Bouira, Algeria.
| | - Sihem Mimoune
- Laboratoire Associé en Ecosystèmes Marins et Aquacoles, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
| | - Saadia Boufeniche
- Laboratoire Associé en Ecosystèmes Marins et Aquacoles, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
| | - Lamia Beddou
- Faculté de Médecine, Université de Bejaia, 06000 Bejaia, Algeria
| | - Sihem Bensalem
- Laboratoire de Biotechnologie Végétales et Ethnobotanique, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
| | - Mokrane Iguer-Ouada
- Laboratoire Associé en Ecosystèmes Marins et Aquacoles, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, 06000 Bejaia, Algeria
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Abegaz TM, Ahmed M, Sherbeny F, Diaby V, Chi H, Ali AA. Application of Machine Learning Algorithms to Predict Uncontrolled Diabetes Using the All of Us Research Program Data. Healthcare (Basel) 2023; 11:1138. [PMID: 37107973 PMCID: PMC10137945 DOI: 10.3390/healthcare11081138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
There is a paucity of predictive models for uncontrolled diabetes mellitus. The present study applied different machine learning algorithms on multiple patient characteristics to predict uncontrolled diabetes. Patients with diabetes above the age of 18 from the All of Us Research Program were included. Random forest, extreme gradient boost, logistic regression, and weighted ensemble model algorithms were employed. Patients who had a record of uncontrolled diabetes based on the international classification of diseases code were identified as cases. A set of features including basic demographic, biomarkers and hematological indices were included in the model. The random forest model demonstrated high performance in predicting uncontrolled diabetes, yielding an accuracy of 0.80 (95% CI: 0.79-0.81) as compared to the extreme gradient boost 0.74 (95% CI: 0.73-0.75), the logistic regression 0.64 (95% CI: 0.63-0.65) and the weighted ensemble model 0.77 (95% CI: 0.76-0.79). The maximum area under the receiver characteristics curve value was 0.77 (random forest model), while the minimum value was 0.7 (logistic regression model). Potassium levels, body weight, aspartate aminotransferase, height, and heart rate were important predictors of uncontrolled diabetes. The random forest model demonstrated a high performance in predicting uncontrolled diabetes. Serum electrolytes and physical measurements were important features in predicting uncontrolled diabetes. Machine learning techniques may be used to predict uncontrolled diabetes by incorporating these clinical characteristics.
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Affiliation(s)
- Tadesse M. Abegaz
- Economic, Social and Administrative Pharmacy (ESAP), College of Pharmacy and Pharmaceutical Sciences, Institute of Public Heath, Florida A&M University, Tallahassee, FL 32307, USA
| | - Muktar Ahmed
- Adelaide Medical School, Faculty of Health and Medical Sciences, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Fatimah Sherbeny
- Economic, Social and Administrative Pharmacy (ESAP), College of Pharmacy and Pharmaceutical Sciences, Institute of Public Heath, Florida A&M University, Tallahassee, FL 32307, USA
| | - Vakaramoko Diaby
- College of Pharmacy, University of Florida, Gainesville, FL 32610, USA
| | - Hongmei Chi
- The Department of Computer and Information Sciences, Florid A&M University, Tallahassee, FL 32307, USA
| | - Askal Ayalew Ali
- Economic, Social and Administrative Pharmacy (ESAP), College of Pharmacy and Pharmaceutical Sciences, Institute of Public Heath, Florida A&M University, Tallahassee, FL 32307, USA
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Agliata A, Giordano D, Bardozzo F, Bottiglieri S, Facchiano A, Tagliaferri R. Machine Learning as a Support for the Diagnosis of Type 2 Diabetes. Int J Mol Sci 2023; 24:ijms24076775. [PMID: 37047748 PMCID: PMC10095542 DOI: 10.3390/ijms24076775] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/31/2023] [Accepted: 04/03/2023] [Indexed: 04/07/2023] Open
Abstract
Diabetes is a chronic, metabolic disease characterized by high blood sugar levels. Among the main types of diabetes, type 2 is the most common. Early diagnosis and treatment can prevent or delay the onset of complications. Previous studies examined the application of machine learning techniques for prediction of the pathology, and here an artificial neural network shows very promising results as a possible valuable aid in the management and prevention of diabetes. Additionally, its superior ability for long-term predictions makes it an ideal choice for this field of study. We utilized machine learning methods to uncover previously undiscovered associations between an individual’s health status and the development of type 2 diabetes, with the goal of accurately predicting its onset or determining the individual’s risk level. Our study employed a binary classifier, trained on scratch, to identify potential nonlinear relationships between the onset of type 2 diabetes and a set of parameters obtained from patient measurements. Three datasets were utilized, i.e., the National Center for Health Statistics’ (NHANES) biennial survey, MIMIC-III and MIMIC-IV. These datasets were then combined to create a single dataset with the same number of individuals with and without type 2 diabetes. Since the dataset was balanced, the primary evaluation metric for the model was accuracy. The outcomes of this study were encouraging, with the model achieving accuracy levels of up to 86% and a ROC AUC value of 0.934. Further investigation is needed to improve the reliability of the model by considering multiple measurements from the same patient over time.
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Affiliation(s)
- Antonio Agliata
- Dipartimento di Scienze Aziendali, Management and Innovation Systems, Università degli Studi di Salerno, 84084 Fisciano, Italy
- BC Soft, Centro Direzionale, Via Taddeo da Sessa Isola F10, 80143 Napoli, Italy
| | - Deborah Giordano
- National Research Council, Institute of Food Science, Via Roma 64, 83100 Avellino, Italy
| | - Francesco Bardozzo
- Dipartimento di Scienze Aziendali, Management and Innovation Systems, Università degli Studi di Salerno, 84084 Fisciano, Italy
| | | | - Angelo Facchiano
- National Research Council, Institute of Food Science, Via Roma 64, 83100 Avellino, Italy
| | - Roberto Tagliaferri
- Dipartimento di Scienze Aziendali, Management and Innovation Systems, Università degli Studi di Salerno, 84084 Fisciano, Italy
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22
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Hu Y, Liu X, Ekpo MD, Chen J, Chen X, Zhang W, Zhao R, Xie J, He Y, Tan S. Dimethylglycine Can Enhance the Cryopreservation of Red Blood Cells by Reducing Ice Formation and Oxidative Damage. Int J Mol Sci 2023; 24:ijms24076696. [PMID: 37047668 PMCID: PMC10095525 DOI: 10.3390/ijms24076696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/15/2023] [Accepted: 03/31/2023] [Indexed: 04/14/2023] Open
Abstract
The cryopreservation of red blood cells (RBCs) holds great potential for ensuring timely blood transfusions and maintaining an adequate RBC inventory. The conventional cryoprotectants (CPAs) have a lot of limitations, and there is an obvious need for novel, efficient, and biocompatible CPAs. Here, it is shown for the first time that the addition of dimethylglycine (DMG) improved the thawed RBC recovery from 11.55 ± 1.40% to 72.15 ± 1.22%. We found that DMG could reduce the mechanical damage by inhibiting ice formation and recrystallization during cryopreservation. DMG can also scavenge reactive oxygen species (ROS) and maintain endogenous antioxidant enzyme activities to decrease oxidative damage during cryopreservation. Furthermore, the properties of thawed RBCs were found to be similar to the fresh RBCs in the control. Finally, the technique for order performance by similarity to ideal solution (TOPSIS) was used to compare the performance of glycerol (Gly), hydroxyethyl starch (HES), and DMG in cryopreservation, and DMG exhibited the best efficiency. This work confirms the use of DMG as a novel CPA for cryopreservation of RBCs and may promote clinical transfusion therapy.
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Affiliation(s)
- Yuying Hu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Xiangjian Liu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Marlene Davis Ekpo
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Jiangming Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Xiaoxiao Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Wenqian Zhang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Rui Zhao
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Jingxian Xie
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Yongju He
- School of Materials Science and Engineering, Central South University, Changsha 410013, China
| | - Songwen Tan
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
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23
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Rafaqat S, Rafaqat S. Role of hematological parameters in pathogenesis of diabetes mellitus: A review of the literature. World J Hematol 2023; 10:25-41. [DOI: 10.5315/wjh.v10.i3.25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/03/2023] [Accepted: 03/09/2023] [Indexed: 03/22/2023] Open
Abstract
Diabetes mellitus (DM) is characterized by hyperglycemia and abnormalities in insulin secretion and activity. There are numerous hematological parameters; however, this review article only focuses on red blood cells, hemoglobin, hematocrit, red blood cell indices, platelet count, white blood cells, lymphocytes, neutrophils, monocytes, eosinophils, neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and monocyte-to-lymphocyte ratio, which play an essential role in the pathogenesis of DM. Also, this review article aims to report the relationship between these hematological parameters and the development of DM. In con-clusion, this article shows that increased levels of platelets, red blood cells, hematocrit, lymphocytes, eosinophils, neutrophils, neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and monocyte-to-lymphocyte ratio and decreased levels of hemoglobin are involved in the pathogenesis of DM. However, the role of basophils in DM is unknown yet.
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Affiliation(s)
- Sana Rafaqat
- Department of Biotechnology, Lahore College for Women University, Lahore 5400, Pakistan
| | - Saira Rafaqat
- Department of Zoology, Lahore College for Women University, Lahore 5400, Pakistan
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24
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Hasona NA, Moneim AA, Mohammed EA, Twab NAA, Azeem AAA, Teryak GM, Ewiss SS, Khalil RG. Osteocalcin, miR-143, and miR-145 Expression in Long-Standing Type 1 Diabetes Mellitus and Their Correlation with HbA1c. Indian J Clin Biochem 2023. [DOI: 10.1007/s12291-023-01131-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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25
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Kim Y, Kim J, Seo E, Lee SJ. AI-based analysis of 3D position and orientation of red blood cells using a digital in-line holographic microscopy. Biosens Bioelectron 2023; 229:115232. [PMID: 36963327 DOI: 10.1016/j.bios.2023.115232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/23/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023]
Abstract
The morphological and mechanical characteristics of red blood cells (RBCs) largely vary depending on the occurrence of hematologic disorders. Variations in the rheological properties of RBCs affect the dynamic motions of RBCs, especially their rotational behavior. However, conventional techniques for measuring the orientation of biconcave-shaped RBCs still have some technical limitations, including complicated optical setups, complex post data processing, and low throughput. In this study, we propose a novel image-based technique for measuring 3D position and orientation of normal RBCs using digital in-line holographic microscopy (DIHM) and artificial intelligence (AI). Formaldehyde-fixed RBCs are immobilized in coagulated polydimethylsiloxane (PDMS). Holographic images of RBCs positioned at various out-of-plane angles are acquired by precisely manipulating the PDMS-trapped RBC sample attached to a 4-axis optical stage. With the aid of deep learning algorithms for data augmentation and regression analysis, the out-of-plane angle of RBCs is directly predicted from the captured holographic images. The 3D position and in-plane angle of RBCs are acquired by employing numerical reconstruction and ellipse detection methods. Combining these digital image processing techniques, the 3D positional and orientational information of each RBC recorded in a single holographic image is measured within 23.5 and 3.07 s, respectively. The proposed AI-based DIHM technique that can extract the 3D position, orientation, and morphology of individual RBCs would be utilized to analyze the dynamic translational and rotational motions of abnormal RBCs with hematologic disorders in shear flows through further research.
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Affiliation(s)
- Youngdo Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Jihwan Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Eunseok Seo
- Department of Mechanical Engineering, Sogang University, Seoul, 04107, Republic of Korea
| | - Sang Joon Lee
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.
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26
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Khan AU, Mohany M, Khan HU, Fozia F, Khan S, Kamran N, Khan FU, Al-Rejaie SS, Ahmad I, Zaghloul NSS, Aboul-Soud MAM. Anti-Alzheimer, antioxidants, glucose-6-phosphate dehydrogenase effects of Taverniera glabra mediated ZnO and Fe 2O 3 nanoparticles in alloxan-induced diabetic rats. OPEN CHEM 2023. [DOI: 10.1515/chem-2022-0299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023] Open
Abstract
Abstract
The current study aimed to assess the neuroprotective effect of Zn and Fe oxide nanoparticles biofabricated by Taverniera glabra in alloxan-induced diabetic rats. The experimental animals (160–200 g) were divided into nine groups (n = 9). The blood glucose, body weight, glucose-6-phosphate dehydrogenase (G6PD), superoxide dismutase (SOD), catalase test (CAT), lipid peroxidation (TBARS), glutathione (GSH), and acetylcholinesterase (AChE) activities were determined. Oral administration of nanoparticles and T. glabra methanol extract (TGME; 10 and 15 mg/kg b.w) significantly decreased the glucose level, increased the body weight, controlled the quantitative level of G6PD, and significantly decreased the levels of ALT, ALP, cholesterol, and creatinine. Moreover, TGME and their Zn and Fe oxide nanoparticles significantly restored the antioxidant enzymes (SOD, CAT, GPx, and GSH) that decreased during induced diabetes. In the diabetic group, a significant increase in TBARS was noted and recovered in diabetic animals (p < 0.05) as compared to glibenclamide. The AChE activity was significantly recovered by nanoparticles and TGME both in the blood and brain of the diabetic group (p < 0.05). Taken together, it can be suggested that TGME and Zn and Fe oxide nanoparticles significantly improved memory and could be considered as an effective biogenic nanomaterial for diabetes, Alzheimer’s disease, and oxidative stress.
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Affiliation(s)
- Aziz Ullah Khan
- Department of Chemistry, University of Science and Technology , Bannu , 28100, KP , Pakistan
| | - Mohamed Mohany
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University , Riyadh 11451 , Saudi Arabia
| | - Hidayat Ullah Khan
- Department of Chemistry, University of Science and Technology , Bannu , 28100, KP , Pakistan
| | - Fozia Fozia
- Department of Biochemistry, KMU Institute of Medical Sciences , Kohat 26000 , Pakistan
| | - Shahnaz Khan
- Department of Chemistry, University of Science and Technology , Bannu , 28100, KP , Pakistan
| | - Naveed Kamran
- Lady Reading Hospital , Peshawar 25000 , Khyber Pakhtunkhwa , Pakistan
| | - Fahim Ullah Khan
- Department of Zoology, University of Science and Technology , Bannu , 28100, KP , Pakistan
| | - Salim S. Al-Rejaie
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University , Riyadh 11451 , Saudi Arabia
| | - Ijaz Ahmad
- Department of Chemistry, Kohat University of Science &Technology , 26000 , Khyber Pakhtunkhwa , Pakistan
| | - Nouf S. S. Zaghloul
- Bristol Centre for Functional Nanomaterials, HH Wills Physics Laboratory, University of Bristol , Tyndall Avenue , Bristol BS8 1FD , UK
| | - Mourad A. M. Aboul-Soud
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University , P.O. Box 10219 , Riyadh 11433 , Saudi Arabia
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Zajda A, Sikora J, Hynninen M, Tampio J, Huttunen KM, Markowicz-Piasecka M. Substituent effects of sulfonamide derivatives of metformin that can dually improve cellular glucose utilization and anti-coagulation. Chem Biol Interact 2023; 373:110381. [PMID: 36746201 DOI: 10.1016/j.cbi.2023.110381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 02/03/2023] [Indexed: 02/07/2023]
Abstract
Metformin, the most frequently prescribed medicine for the management of type 2 diabetes, has been shown to reduce cardiovascular events in diabetic patients in pre-clinical and clinical studies. The present work reports the design, synthesis, and biological assessment of the impact of six benzenesulfonamide biguanides on various aspects of hemostasis, cell function, red blood cell integrity (RBC), and their ability to uptake glucose in human umbilical endothelial cells (HUVECs). It was found that all synthesized o- and m-benzenesulfonamides, particularly derivatives with nitro (3) and amino groups (4), are characterized by a good safety profile in HUVECs, which was further confirmed in the cellular integrity studies. The biguanide analogues with methoxy group (1, 2) and an amino substituent (5, 6) significantly increased glucose utilization in HUVECs, similarly to the parent drug. Intriguingly, compounds 1, 3, and 6 favourably influenced some of the coagulation parameters. Furthermore, derivative 3 also slowed the process of fibrin polymerization, indicating more beneficial anti-coagulant properties than metformin. None of the novel metformin analogues interact strongly with the erythrocyte lipid-protein bilayer. Our findings indicate that derivative 3 has highly desirable anti-coagulant properties, and compounds 1 and 6 have potential dual-action activity, including anti-hyperglycaemic properties and anti-coagulant activity. As such, these derivatives can be used as lead molecules for further development of anti-diabetic agents with a beneficial effect on hypercoagulability.
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Affiliation(s)
- Agnieszka Zajda
- Laboratory of Bioanalysis, Department of Pharmaceutical Chemistry, Drug Analysis and Radiopharmacy, Medical University of Lodz, ul. Muszyńskiego1, 90-151, Lodz, Poland.
| | - Joanna Sikora
- Department of Bioinorganic Chemistry, Medical University of Lodz, ul. Muszyńskiego1, 90-151, Lodz, Poland.
| | - Mira Hynninen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Yliopistonranta 1C, P.O. Box 1627, 70211, Kuopio, Finland.
| | - Janne Tampio
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Yliopistonranta 1C, P.O. Box 1627, 70211, Kuopio, Finland.
| | - Kristiina M Huttunen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Yliopistonranta 1C, P.O. Box 1627, 70211, Kuopio, Finland.
| | - Magdalena Markowicz-Piasecka
- Laboratory of Bioanalysis, Department of Pharmaceutical Chemistry, Drug Analysis and Radiopharmacy, Medical University of Lodz, ul. Muszyńskiego1, 90-151, Lodz, Poland.
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28
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Zhang Z, Tai Y, Liu Z, Pu Y, An L, Li X, Li L, Wang Y, Yang Z, Duan C, Hou K, Zhang Q, Ren F, Ma Q, Su Y. Effects of d-ribose on human erythrocytes: Non-enzymatic glycation of hemoglobin, eryptosis, oxidative stress and energy metabolism. Blood Cells Mol Dis 2023; 99:102725. [PMID: 36682143 DOI: 10.1016/j.bcmd.2023.102725] [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] [Received: 06/26/2022] [Revised: 01/10/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023]
Abstract
d-Ribose is not only an important component of some biomacromolecules, but also an active pentose with strong reducibility and non-enzymatic glycation ability. Previous studies reported the diverse role of d-ribose in different cells. In this study, the effects of d-ribose on non-enzymatic glycation of hemoglobin (Hb), as well as eryptosis, oxidative stress and energy metabolism of erythrocytes were observed by molecular fluorescence spectrophotometry, multi-wavelength spectrophotometry, high-pressure liquid chromatography (HPLC), mass spectrometry (MS) and flow cytometer. The results showed that d-ribose had the strongest non-enzymatic glycation ability to Hb in vitro when compared with other monosaccharides, and could enter the erythrocytes in a concentration-dependent manner, which was not inhibited by the specific glucose transporter 1 (GLUT1) inhibitor WZB117. In addition, d-ribose incubation increased the HbA1c, hemolysis, eryptosis, and ROS level of erythrocytes significantly more than that of d-glucose, however, no changes were observed in the levels of ATP, NADPH, and other intermediate energy metabolites in d-ribose treatment. Therefore, the strong non-enzymatic glycation ability of d-ribose may play an important role in erythrocyte damage.
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Affiliation(s)
- Zehong Zhang
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Yu Tai
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Zhi Liu
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Yunxia Pu
- Physical and Chemical Laboratory, Inner Mongolia Center for Disease Control and Prevention, South Section of Yongping Road, Xincheng District, 010080 Hohhot, Inner Mongolia, China
| | - Liang An
- Clinical Laboratory, The Fourth Hospital of Baotou, 1(#) Aogen Road, Qingshan District, 014030, Baotou, Inner Mongolia, China
| | - Xiaojing Li
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Lili Li
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Yaqi Wang
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Zhongbin Yang
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Chao Duan
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Kun Hou
- Physical and Chemical Laboratory, Inner Mongolia Center for Disease Control and Prevention, South Section of Yongping Road, Xincheng District, 010080 Hohhot, Inner Mongolia, China
| | - Qing Zhang
- Physical and Chemical Laboratory, Inner Mongolia Center for Disease Control and Prevention, South Section of Yongping Road, Xincheng District, 010080 Hohhot, Inner Mongolia, China
| | - Fuyu Ren
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Qiang Ma
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China.
| | - Yan Su
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China.
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Tarabichi S, Goh GS, Baker CM, Chisari E, Shahi A, Parvizi J. Plasma D-Dimer Is Noninferior to Serum C-Reactive Protein in the Diagnosis of Periprosthetic Joint Infection. J Bone Joint Surg Am 2023; 105:501-508. [PMID: 36758110 DOI: 10.2106/jbjs.22.00784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
BACKGROUND No single test has demonstrated absolute accuracy in the diagnosis of periprosthetic joint infection (PJI). Serological markers are often used as screening tools in the workup of patients with suspected PJI. This study aimed to determine the diagnostic utility of plasma D-dimer for PJI in a variety of clinical scenarios. METHODS This prospective study enrolled 502 patients undergoing revision hip or knee arthroplasty. PJI was defined per a modified version of the 2018 International Consensus Meeting (ICM) criteria. Plasma D-dimer, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and fibrinogen were measured preoperatively. Receiver operating characteristic curves were used to assess the utility of each biomarker in the diagnosis of PJI. Pairwise comparison with Bonferroni correction was performed to determine whether the differences in areas under the curve (AUCs) between the markers were significant. RESULTS Of the 412 patients included, 317 (76.9%) did not have an infection (aseptic group) and 95 (23.1%) had an infection (PJI group). All 4 serological markers, D-dimer (AUC, 0.860; sensitivity, 81.3%; specificity, 81.7%), CRP (AUC, 0.862; sensitivity, 90.4%; specificity, 70.0%), ESR (AUC, 0.833; sensitivity, 73.9%; specificity, 85.2%), and fibrinogen (AUC, 0.798; sensitivity, 74.7%; specificity, 75.4%), demonstrated comparable accuracy for the diagnosis of PJI (all p > 0.05). When examining the performance of the different inflammatory markers in diagnosing infection caused by indolent organisms, D-dimer demonstrated the highest sensitivity at 93.8%. CONCLUSIONS We found that plasma D-dimer was noninferior to serum CRP and ESR in the diagnosis of PJI and may be a useful adjunct when screening patients undergoing revision total joint arthroplasty. LEVEL OF EVIDENCE Diagnostic Level II. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Saad Tarabichi
- Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
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30
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You Q, Jiang Q, Shani I, Lou Y, Huang S, Wang S, Cao S. Miscarriage, stillbirth and the risk of diabetes in women: A systematic review and meta-analysis. Diabetes Res Clin Pract 2023; 195:110224. [PMID: 36539013 DOI: 10.1016/j.diabres.2022.110224] [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: 10/05/2022] [Revised: 11/21/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
AIMS Whether women with a history of miscarriage or stillbirth have an increased risk of diabetes is inconclusive. We aimed to systematically assess the association between them. METHODS We searched PubMed, Web of Science and Scopus through November 2022. Random-effect model for meta-analysis was applied to calculate pooled odds ratios and corresponding 95 % confidence intervals (CIs) when heterogeneity was > 40 %. RESULTS Thirteen cohort studies and eight case-control studies with a total of 529,990 participants were included. Women ever experiencing a miscarriage had a 1.15-fold risk of non-gestational diabetes (95% CI: 1.02-1.28) and a 1.62-fold risk of gestational diabetes (95% CI: 1.32-1.98) compared to those never experiencing a miscarriage. Of them, women with three or more miscarriages had a 1.99-fold risk of non-gestational diabetes (95% CI: 1.36-2.91). The risk of non-gestational diabetes among women ever experiencing a stillbirth was 1.21 times compared with those never experiencing a stillbirth (95% CI: 1.03-1.41). Pooled results did not support a stable association between stillbirth and gestational diabetes risk (odds ratio:1.91, 95% CI: 1.00-3.64). CONCLUSIONS A history of miscarriage or stillbirth was associated with an increased risk of diabetes in women. Future studies are needed to explore whether prediabetic metabolic conditions contribute to this association.
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Affiliation(s)
- Qiqi You
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Qingqing Jiang
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Irakoze Shani
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Yiling Lou
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Shen Huang
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Shiqi Wang
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Shiyi Cao
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China.
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31
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Guo Y, Gao J, Liu Y, Jia Y, An X, Zhang X, Su P. An examination of causal associations and shared risk factors for diabetes and cardiovascular diseases in the East Asian population: A Mendelian randomization study. Front Endocrinol (Lausanne) 2023; 14:1132298. [PMID: 36909309 PMCID: PMC9999111 DOI: 10.3389/fendo.2023.1132298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 02/09/2023] [Indexed: 03/14/2023] Open
Abstract
BACKGROUND One of the major contributors to disability and mortality among diabetics is cardiovascular disease (CVD), with coronary artery disease (CAD) as the most prevalent type. However, previous studies have provided controversial evidence linking diabetes to other types of CVDs, such as atrial fibrillation (AF). In addition, the risk factors that predispose people to the risk of diabetes and its complications differ across ethnicities, but the disease risk profiles in the East Asian population have been less investigated. METHODS The causal association between type 2 diabetes (T2D) and two types of CVDs (i.e., AF and CAD) in the East Asian population was first studied using Mendelian randomization (MR) analyses. Next, we examined the causal effect of 49 traits on T2D and CAD to identify their separate and shared risk factors in East Asians. A causal mediation analysis was performed to examine the role of T2D in mediating the relationship between the identified shared risk factors and CAD. RESULTS T2D was causally associated with CAD, but not AF, in East Asians. A screening of the risk factors indicated that six and 11 traits were causally associated with T2D and CAD, respectively, with suggestive levels of evidence. Alkaline phosphatase (ALP) was the only trait associated with both T2D and CAD, as revealed by the univariable MR analyses. Moreover, the causal association between ALP and CAD no longer existed after adjusting T2D as a covariable in the causal mediation study. CONCLUSION Our study highlights the risk profiles in the East Asian population, which is important in formulating targeted therapies for T2D and CVDs in East Asians.
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Affiliation(s)
- Yulin Guo
- *Correspondence: Yulin Guo, ; Pixiong Su,
| | | | | | | | | | | | - Pixiong Su
- *Correspondence: Yulin Guo, ; Pixiong Su,
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Mostafa EAM, AlShaarawy BAI, Abd El-Hamid SM, Gamal AM. Evaluation of Fetuin-A level in diabetic retinopathy. THE EGYPTIAN JOURNAL OF INTERNAL MEDICINE 2022. [DOI: 10.1186/s43162-022-00152-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Diabetic retinopathy (DR) is a micro-vascular consequence of diabetes mellitus (DM) that manifests clinically as retinal ischemia, neovascularization, altered retinal permeability, and macular edema. In the adult population, DR is now considered a leading cause of blindness. Fetuin-A is a multifunctional glycoprotein that, because of its dual role in insulin resistance and angiogenesis, could be an early trigger of DR pathogenesis.
Objective
This study aimed to evaluate the level of Fetuin-A in diabetic patients with and without retinopathy and demonstrate if it could be used as an early indicator of DR.
Patients and methods
A case–control study enrolled 45 participants selected from Al-Zahraa University Hospital, between March 2021 and October 2021, they were divided into three groups: Group 1: healthy control group (n=15); Group 2: type 2 diabetic patients without DR (n=15); and Group 3: type 2 diabetic patients with DR (n=15). All groups were age- and sex-matched and were investigated by enzyme-linked immunosorbent assay (ELISA) to evaluate serum level of Fetuin-A.
Results
There was a highly significant difference of FBG, 2HPP, and HbA1c between the studied groups (p< 0.001), while there was no significant difference between the three studied groups regarding Fetuin-A. There were no significant correlation between Fetuin-A, glycemic parameters, and diabetic duration in Groups 2 and 3.
Conclusion
Fetuin-A has no significant role in the pathogenesis of diabetic retinopathy.
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Abdel-Hamid NM, Sherif MH, Al Samahy AE, Abdelhamid MS. Plasma Insulin/Erythrocytic Aldose Reductase Ratio as a Predictor for Hepatocellular Carcinoma among Type II Diabetics and Hepatitis C Virus-infected Patients. Asian Pac J Cancer Prev 2022; 23:3815-3823. [PMID: 36444594 PMCID: PMC9930971 DOI: 10.31557/apjcp.2022.23.11.3815] [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: 06/10/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is a possible oncogenic progression during persistent hepatitis C-infection +/- type II diabetes mellitus (DM). We aim to investigate the plasma insulin, erythrocytic aldose reductase (AR) and sorbitol dehydrogenase (SDH) as possible predictive tools for HCC in hepatitis C-infected patients (HCV) +/- DM. Erythrocytes (RBCs) were adopted as a possible vehicle for pre-malignant variations being of short life span. Methods: The study included 20 healthy control and 100 patients of 48-64 years old, divided into 5 equal groups as; type II DM, HCC, HCC with DM, DM- HCV infected and non-DM HCV infected. Plasma levels of AFP and insulin were measured. RESULTS It showed an elevated AR, significant reduction of SDH in RBCs and plasma of DM patients. These values were greatly elevated among HCV, HCC, diabetic HCV, and diabetic HCC patients. All DM patients showed elevated insulin levels than normoglycemic controls. CONCLUSION The study substantiated the use of RBCs as a vehicle for early diagnostic markers better than plasma. We recommend the use of insulin/ erythrocytic AR ratio as a new laboratory marker for predicting HCC among type II diabetics or non-treated HCV-infected patients with control insulin/ erythrocytic AR ratio by each laboratory.
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Affiliation(s)
- Nabil Mohie Abdel-Hamid
- Department of Biochemistry, Faculty of Pharmacy, Kafrelsheikh University, Egypt. ,For Correspondence:
| | - Mohamad H Sherif
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt.
| | - Asmaa E Al Samahy
- Biochemistry Division, Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt.
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Loyola-Leyva A, Loyola-Rodríguez JP, Barquera S, González FJ, Camacho-Lopez S, Terán-Figueroa Y. Differences in erythrocytes size and shape in prediabetes and diabetes assessed by two microscopy techniques and its association with dietary patterns. Pilot study. Microsc Res Tech 2022; 85:3726-3735. [PMID: 36165223 DOI: 10.1002/jemt.24238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 08/08/2022] [Accepted: 09/03/2022] [Indexed: 11/06/2022]
Abstract
Hemorheology and microcirculation alterations are caused by erythrocyte size and shape (ESS) modifications. People´s diets can alter erythrocyte functions and membrane fluidity by changing cell membrane components. The aim was to identify differences in ESS obtained by scanning electron (SEM) and atomic force microscopy (AFM) in people with prediabetes and type 2 diabetes (T2DM) and assess their relationship with dietary patterns. The study population included 31 participants (14 healthy, 11 with prediabetes, and 6 with T2DM). Dietary intake was assessed by a food frequency questionnaire, and dietary patterns were obtained using principal component analysis. ESS (diameter, height, axial ratio, thickness, and concave depth) were obtained by SEM and AFM. Differences in ESS between groups were observed with SEM (height) and AFM (height, axial ratio, and concave depth). T2DM presented smaller erythrocytes, more elongated and more altered forms. Two dietary patterns were identified: (1) Unhealthy: more refined cereals, high-fat dairy, fast food, sugary beverages, and fewer fruits, fish, seafood, low-fat dairy, and water. (2) Prudent: higher consumption of refined cereals, vegetables, poultry, low-fat dairy and nuts, and lower tortillas, eggs, high-fat dairy, and legumes. Tertile 3 of the Unhealthy dietary pattern had 80% of healthy participants. A difference in diameter and height (0.44 and 0.32 μm, respectively) obtained by SEM was observed when comparing tertile 2 (smaller erythrocytes) versus tertile 3 in the Unhealthy dietary pattern. SEM and AFM are excellent tools to assess ESS. Unhealthy dietary patterns might be associated with altered ESS. HIGHLIGHTS: SEM and AFM are excellent tools to assess erythrocyte size and shape modifications. Two dietary patterns were identified: healthy and prudent. Smaller erythrocytes were observed in the second tertile of the unhealthy pattern.
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Affiliation(s)
- Alejandra Loyola-Leyva
- Terahertz Science and Technology National Lab, Coordination for Innovation and Application of Science and Technology (Coordinación para la Innovación y Aplicación de la Ciencia y Tecnología, CIACyT), San Luis Potosí, Mexico
| | | | - Simon Barquera
- Center for Nutrition and Health Research, National Institute of Public Health (Instituto Nacional de Salud Pública), Morelos, Mexico
| | - Francisco Javier González
- Terahertz Science and Technology National Lab, Coordination for Innovation and Application of Science and Technology (Coordinación para la Innovación y Aplicación de la Ciencia y Tecnología, CIACyT), San Luis Potosí, Mexico
| | - Santiago Camacho-Lopez
- Department of Optics, Center for Scientific Research and Higher Education of Ensenada (Centro de Investigación Científica y de Educación Superior de Ensenada, CICESE), Ensenada, Baja California, Mexico
| | - Yolanda Terán-Figueroa
- Faculty of Nursing and Nutrition, Autonomous University of San Luis Potosí (Universidad Autónoma de San Luis Potosí, UASLP), San Luis Potosí, Mexico
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Szczuko M, Pokorska-Niewiada K, Kwiatkowska L, Nawrocka-Rutkowska J, Szydłowska I, Ziętek M. Level of Potassium Is Associated with Saturated Fatty Acids in Cell Membranes and Influences the Activation of the 9 and 13 HODE and 5 HETE Synthesis Pathways in PCOS. Biomedicines 2022; 10:biomedicines10092244. [PMID: 36140345 PMCID: PMC9496543 DOI: 10.3390/biomedicines10092244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/01/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
Potassium helps to maintain the water–electrolyte and acid–base balance. There is little research on the relationship between plasma fatty acids (FAs), inflammatory mediators and red blood cell potassium levels in women with polycystic ovary syndrome (PCOS). This study included 38 Caucasian women with PCOS. Potassium in the erythrocytes was determined by inductively coupled atomic plasma emission spectrometry. The FAs were analysed with gas chromatography, and liquid chromatography was used to separate the eicosanoids. The relationships between the potassium content and the amounts of fatty acids, as well as potassium and arachidonic acid (AAs) derivatives, were analysed. Significant negative correlations were found with, among others, pentadecanoic acid, palmitic acid, stearic acid and arachidic acid, whereas a positive correlation was found with neuronic acid. Positive correlations were observed with 9, 13 HODE (derivatives synthetized from linolenic acid) and 5 oxo ETE and 5 HETE (from 5 LOX pathway). Saturated fatty acids reduce the influx of potassium into the cell by destabilizing the pH of the cytosol, and thus exacerbating the inflammatory response through the activation of the AA cascade. Therefore, improving the flow of potassium inside the cell is important in the treatment of patients.
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Affiliation(s)
- Małgorzata Szczuko
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczein, Poland
- Correspondence: (M.S.); (K.P.-N.)
| | - Kamila Pokorska-Niewiada
- Department of Toxicology, Dairy Technology and Food Storage, West Pomeranian University of Technology in Szczecin, 71-374 Szczecin, Poland
- Correspondence: (M.S.); (K.P.-N.)
| | - Lidia Kwiatkowska
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 71-460 Szczein, Poland
| | - Jolanta Nawrocka-Rutkowska
- Department of Gynecology, Endocrinology and Gynecological Oncology, Pomeranian Medical University Szczecin, 71-252 Szczecin, Poland
| | - Iwona Szydłowska
- Department of Gynecology, Endocrinology and Gynecological Oncology, Pomeranian Medical University Szczecin, 71-252 Szczecin, Poland
| | - Maciej Ziętek
- Department of Perinatology, Obstetrics and Gynecology, Pomeranian Medical University in Szczecin, 72-009 Police, Poland
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Ebrahim H, Fiseha T, Ebrahim Y, Bisetegn H. Comparison of hematological parameters between type 2 diabetes mellitus patients and healthy controls at Dessie comprehensive specialized hospital, Northeast Ethiopia: Comparative cross-sectional study. PLoS One 2022; 17:e0272145. [PMID: 35895700 PMCID: PMC9328522 DOI: 10.1371/journal.pone.0272145] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 07/13/2022] [Indexed: 11/23/2022] Open
Abstract
Background Diabetes mellitus (DM) is a chronic condition associated with raised levels of blood glucose due to the body cannot produce any or enough insulin hormone or cannot be effectively utilized the produced insulin by the body. Patients with poorly controlled diabetes show a significant alteration in various parameters including metabolic, cellular, immunological, and hematological disturbances that leads to vascular complications. Thus, the main aim of this study is to compare hematological parameters between type 2 diabetes mellitus (T2DM) patients and healthy controls. Methods A comparative cross-sectional study was conducted in Dessie comprehensive specialized hospital from January to June 2021. A total of 240 study participants consisting of 120 T2DM patients and 120 healthy controls were recruited using a systematic random sampling technique. Hematological parameters were determined using the DIRUI BF6500 automated hematology analyzer. Independent T-test was used to compare the mean of hematological parameters between T2DM patients and healthy controls. Pearson correlation test was used to determine the correlation between FBG, BMI, SBP, DBP, and hematological parameters in T2DM patients. Multivariate logistic regression was used to assess the association between socio-demographic and clinical variables with anemia. The result was expressed in mean and standard deviation and presented in texts and tables. P-value < 0.05 was considered to be statistically significant. Results The mean and standard deviation of monocyte count, basophil count, monocyte %, basophil %, RBC count, hematocrit, MCV, MCH, RDW-SD, MPV, PDW, PLC-R, and plateletcrit showed a significant difference between T2DM patients and healthy control group. Pearson correlation coefficient showed that the total WBC count, neutrophil count, monocyte count, basophil count, RDW-CV, PDW, MPV, PLC-R, and plateletcrit were statistically positively correlated with FBG whereas RBC count, Hgb, hematocrit, MCV, MCH, and RDW-SD were statistically negatively correlated with FBG in T2DM patients. Moreover, total WBC count, neutrophil count, monocyte count, basophil count, Hgb, and plateletcrit were statistically positively correlated with BMI while RBC count, Hgb, hematocrit, MCV, MCH, and RDW-SD were statistically negatively correlated with BMI in T2DM patients. On the other hand, DBP was significantly positively correlated with platelet count and RDW-CV whereas SBP also significantly positively correlated with total WBC count, neutrophil count, basophil count, and PDW. Besides, DBP and SBP showed statistically significant negative correlations with RBC count, Hgb level, and Hct value in T2DM patients. The overall prevalence of anemia was 25.8% in T2DM patients with a higher prevalence of anemia (16.7%) in female patients. Multivariate logistic regression revealed that being non-employee worker (AOR: 3.6, 95% CI, 1.4–46.0, P = 0.002), presence of neuropathy (AOR: 13.40, 95% CI, 6.83–26.28, P = 0.00), and duration of the disease ≥ 5 years (AOR = 3.2, 95% CI, 1.2–15.3, P = 0.03) have had statistically significant association with anemia inT2DM patients. Conclusions Patients with T2DM may have significant alterations in various hematological parameters. Hematological parameters should be regularly tested for early diagnosis and proper management of diabetes-related complications.
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Affiliation(s)
- Hussen Ebrahim
- Department of Medical Laboratory Sciences, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
- * E-mail:
| | - Temesgen Fiseha
- Department of Medical Laboratory Sciences, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
| | - Yesuf Ebrahim
- Department of Medical Laboratory Sciences, Dessie Health Science College, Dessie, Ethiopia
| | - Habtye Bisetegn
- Department of Medical Laboratory Sciences, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
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Chatterjee R, Kwee LC, Pagidipati N, Koweek LH, Mettu PS, Haddad F, Maron DJ, Rodriguez F, Mega JL, Hernandez A, Mahaffey K, Palaniappan L, Shah SH. Multi-dimensional characterization of prediabetes in the Project Baseline Health Study. Cardiovasc Diabetol 2022; 21:134. [PMID: 35850765 PMCID: PMC9295520 DOI: 10.1186/s12933-022-01565-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/15/2022] [Indexed: 11/16/2022] Open
Abstract
Background We examined multi-dimensional clinical and laboratory data in participants with normoglycemia, prediabetes, and diabetes to identify characteristics of prediabetes and predictors of progression from prediabetes to diabetes or reversion to no diabetes. Methods The Project Baseline Health Study (PBHS) is a multi-site prospective cohort study of 2502 adults that conducted deep clinical phenotyping through imaging, laboratory tests, clinical assessments, medical history, personal devices, and surveys. Participants were classified by diabetes status (diabetes [DM], prediabetes [preDM], or no diabetes [noDM]) at each visit based on glucose, HbA1c, medications, and self-report. Principal component analysis (PCA) was performed to create factors that were compared across groups cross-sectionally using linear models. Logistic regression was used to identify factors associated with progression from preDM to DM and for reversion from preDM to noDM. Results At enrollment, 1605 participants had noDM; 544 had preDM; and 352 had DM. Over 4 years of follow-up, 52 participants with preDM developed DM and 153 participants reverted to noDM. PCA identified 33 factors composed of clusters of clinical variables; these were tested along with eight individual variables identified a priori as being of interest. Six PCA factors and six a priori variables significantly differed between noDM and both preDM and DM after false discovery rate adjustment for multiple comparisons (q < 0.05). Of these, two factors (one comprising glucose measures and one of anthropometry and physical function) demonstrated monotonic/graded relationships across the groups, as did three a priori variables: ASCVD risk, coronary artery calcium, and triglycerides (q < 10–21 for all). Four factors were significantly different between preDM and noDM, but concordant or similar between DM and preDM: red blood cell indices (q = 8 × 10-10), lung function (q = 2 × 10-6), risks of chronic diseases (q = 7 × 10-4), and cardiac function (q = 0.001), along with a priori variables of diastolic function (q = 1 × 10-10), sleep efficiency (q = 9 × 10-6) and sleep time (q = 6 × 10-5). Two factors were associated with progression from prediabetes to DM: anthropometry and physical function (OR [95% CI]: 0.6 [0.5, 0.9], q = 0.04), and heart failure and c-reactive protein (OR [95% CI]: 1.4 [1.1, 1.7], q = 0.02). The anthropometry and physical function factor was also associated with reversion from prediabetes to noDM: (OR [95% CI]: 1.9 [1.4, 2.7], q = 0.02) along with a factor of white blood cell indices (OR [95% CI]: 0.6 [0.4, 0.8], q = 0.02), and the a priori variables ASCVD risk score (OR [95% CI]: 0.7 [0.6, 0.9] for each 0.1 increase in ASCVD score, q = 0.02) and triglycerides (OR [95% CI]: 0.9 [0.8, 1.0] for each 25 mg/dl increase, q = 0.05). Conclusions PBHS participants with preDM demonstrated pathophysiologic changes in cardiac, pulmonary, and hematology measures and declines in physical function and sleep measures that precede DM; some changes predicted an increased risk of progression to DM. A factor with measures of anthropometry and physical function was the most important factor associated with progression to DM and reversion to noDM. Future studies may determine whether these changes elucidate pathways of progression to DM and related complications and whether they can be used to identify individuals at higher risk of progression to DM for targeted preventive interventions. Trial registration ClinicalTrials.gov NCT03154346 Supplementary Information The online version contains supplementary material available at 10.1186/s12933-022-01565-x.
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Affiliation(s)
- Ranee Chatterjee
- Department of Medicine, Duke University School of Medicine, 200 Morris Street, 3rd floor, NC, 27701, Durham, USA.
| | | | - Neha Pagidipati
- Department of Medicine, Duke University School of Medicine, 200 Morris Street, 3rd floor, NC, 27701, Durham, USA
| | - Lynne H Koweek
- Department of Radiology, Duke University School of Medicine, Durham, NC, USA
| | - Priyatham S Mettu
- Department of Ophthalmology, Duke University Medical Center, Durham, NC, USA
| | - Francois Haddad
- Department of Medicine, Stanford University, Palo Alto, CA, USA
| | - David J Maron
- Department of Medicine, Stanford University, Palo Alto, CA, USA
| | | | | | - Adrian Hernandez
- Department of Medicine, Duke University School of Medicine, 200 Morris Street, 3rd floor, NC, 27701, Durham, USA.,Duke Clinical Research Institute, Duke University School of Medicine, NC, Durham, USA
| | | | | | - Svati H Shah
- Department of Medicine, Duke University School of Medicine, 200 Morris Street, 3rd floor, NC, 27701, Durham, USA.,Duke Molecular Physiology Institute, Durham, NC, USA.,Duke Clinical Research Institute, Duke University School of Medicine, NC, Durham, USA
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Li H, Fang K, Peng H, He L, Wang Y. The relationship between glycosylated hemoglobin level and red blood cell storage lesion in blood donors. Transfusion 2022; 62:663-674. [PMID: 35137967 DOI: 10.1111/trf.16815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/12/2022] [Accepted: 01/21/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Glycosylated hemoglobin (HbA1c), not routinely screened in blood donors, is associated with morphological, biochemical, and functional abnormalities of red blood cells (RBCs) and with enhanced oxidative stress. We aimed to explore HbA1c levels in blood donors and their effect on RBC storage. STUDY DESIGN AND METHODS An analytical cross-sectional study was conducted on 875 eligible blood donors aged 18-60 years from May 1, 2021, to August 30, 2021. Two selected groups of donors (HbA1c <6.5%, n = 10; HbA1c ≥ 6.5%, n = 10) exhibiting as similar as possible baseline values (such as age, sex, and living habits, etc.) were recruited for blood donation in leukoreduced CPDA-1 units. RBC morphological, biochemical, structural, and oxidative stress states were measured during 5-35 days of storage. RESULTS Elevated HbA1c prevalence was 37%, including 31.7% (277/875) in the prediabetes range (HbA1c 5.7%-6.4%) and 5.4% (47/875) in the diabetes range (HbA1c ≥ 6.5%). Age, body mass index (BMI), smoking, and alcohol consumption were the main factors influencing the HbA1c levels. During storage, high-HbA1c group had abnormal RBC morphology, impaired membrane function, and ion imbalance (higher mean corpuscular volume, distribution width, hemolysis rate, potassium ion efflux, and phosphatidylserine exposure) as compared with low HbA1c group. Additionally, RBC oxidative stress was significantly increased in donors with high HbA1c levels during 21-35 days. DISCUSSION Blood donors proportion with abnormal HbA1c levels was relatively high, and donor HbA1c levels may be associated with stored RBCs capacity. Our study provides new insights into the different effects of donor HbA1c levels on RBC storage lesions.
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Affiliation(s)
- Hongyan Li
- Department of Blood Transfusion, Xiangya Second Hospital, Central South University, Changsha Province, China
| | - Kuiming Fang
- Department of Blood Quality Management, Yueyang Central Blood Bank, Yueyang City, Hunan Province, China
| | - Haibo Peng
- Department of Blood Quality Management, Yueyang Central Blood Bank, Yueyang City, Hunan Province, China
| | - Li He
- Department of Blood Transfusion, Xiangya Second Hospital, Central South University, Changsha Province, China
| | - Yongjun Wang
- Department of Blood Transfusion, Xiangya Second Hospital, Central South University, Changsha Province, China
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Asmamaw M, Sime T, Kene K, Fekadie Baye M, Teshome M, Zawdie B. Evaluation of Red Blood Cell Parameters as a Biomarker for Long-Term Glycemic Control Monitoring Among Type 2 Diabetic Patients in Southwest Ethiopia: A Cross-Sectional Study. Diabetes Metab Syndr Obes 2021; 14:4993-5000. [PMID: 35002271 PMCID: PMC8722719 DOI: 10.2147/dmso.s348907] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 12/23/2021] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE The main aim of this study was to assess red blood cell parameters as a biomarker for long-term glycemic monitoring among T2 DM patients. METHODS Facility-based cross-sectional study through a consecutive sampling technique was conducted among 124 T2 DM patients at the chronic illness follow-up clinic of Jimma Medical Center (JMC) from July 27 to August 31, 2020. A structured questionnaire was used to collect socio-demographic and clinical-related data. Five milliliters of the blood specimen were collected from each eligible T2 DM patient. Glycated hemoglobin (HbA1c) and red blood cell parameters were determined by Cobas 6000 and DxH 800 fully automated analyzers, respectively. Data were entered into EpiData software version 3.1 and exported to SPSS 25 version for analysis. Independent t-test and Pearson's correlation coefficient were used to address the research questions. A P-value <0.05 was considered statistically significant. RESULTS The mean age of study participants was 51.84± 11.6 years. Moreover, 60.5% of T2 DM patients were in poor glycemic control. There was a significant mean difference between good and poor glycemic controlled T2 DM patients in red blood cell count (4.79±0.5 vs 4.38±0.8), hemoglobin (14.13±1.4 vs 13.60±1.6), mean corpuscular volume (89.52±4.7 vs 92.62±7.5), mean corpuscular hemoglobin (29.63±1.6 vs 30.77±2.9), and red cell distribution width (13.68±1.1 vs 14.63±1.2) respectively. Red blood cell count was inversely correlated (r=-0.280, p=0.002) with HbA1c while mean corpuscular volume (r=0.267, p=0.003), mean corpuscular hemoglobin (r=0.231, p=0.010), and red cell distribution width (r= 0.496, p=0.000) were positively correlated with level of HbA1c. CONCLUSION Red cell count, mean corpuscular volume, mean corpuscular hemoglobin, and red cell distribution width could be useful indicators to monitor the glycemic status of T2 DM patients instead of HbA1c, though large prospective studies should be considered.
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Affiliation(s)
- Misganaw Asmamaw
- Division of Biochemistry, Department of Biomedical Sciences, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Tariku Sime
- Division of Biochemistry, Department of Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Kumsa Kene
- Division of Biochemistry, Department of Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Minale Fekadie Baye
- Division of Biochemistry, Department of Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Muluken Teshome
- Division of Physiology, Department of Biomedical Sciences, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Belay Zawdie
- Division of Biochemistry, Department of Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
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A Fast and Reliable Method to Interpret Short-Term Mortality in Perforated Peptic Ulcer: Red Cell Distribution Width is Sensitive and Specific. Surg Res Pract 2021; 2021:5542619. [PMID: 34056058 PMCID: PMC8149252 DOI: 10.1155/2021/5542619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/05/2021] [Indexed: 11/25/2022] Open
Abstract
Introduction Peptic ulcer is an important health problem worldwide with a prevalence of around 5%. Peptic ulcer perforation is a potentially mortal complication of peptic ulcer disease. We aimed to investigate the potential use of red cell distribution width as a prognostic marker in peptic ulcer perforation. Methods The files, operation notes, biochemical and hematological parameters, and prognosis of patients who were operated for a peptic ulcer perforation were reviewed in a retrospective cohort study. The relation of red cell distribution width (RDW) to main outcome in-hospital mortality was assessed. Results The mean age of the 172 patients was 40 ± 17.89. There were 158 (92%) males and 14 (8%) females. The in-hospital mortality was 8.7% (15/172). The median RDW in the group with mortality was 15.00 (interquartile range (IQR): 14.30–17.20) compared with the median RDW in the group with no mortality as 13.2 (IQR: 12.80–14.00, p ≤ 0.001). Receiver operator characteristic curves were plotted for RDW to identify nonsurvivors and yielded a significant area under the curve as 0.812 (95% confidence interval: 0.682–0.942). The sensitivity and specificity of RDW at a cutoff value of 14.25% were calculated with an accuracy of 81.98 (95% confidence interval: 75.40–87.41) as 80.00 (51.91–95.67) and 82.17 (75.27–87.81), respectively. Conclusion Increased RDW may be of use to interpret mortality in patients with peptic ulcer perforation.
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Dimitriou E, Sergentanis TN, Lambadiari V, Theodossiadis G, Theodossiadis P, Chatziralli I. Correlation between Imaging Morphological Findings and Laboratory Biomarkers in Patients with Diabetic Macular Edema. J Diabetes Res 2021; 2021:6426003. [PMID: 34423046 PMCID: PMC8378977 DOI: 10.1155/2021/6426003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 07/15/2021] [Accepted: 07/30/2021] [Indexed: 11/17/2022] Open
Abstract
PURPOSE To investigate the potential association between peripheral blood biomarkers and morphological characteristics of retinal imaging in patients with diabetic macular edema (DME). METHODS Participants in this cross-sectional study were 36 consecutive patients (36 eyes) with treatment-naïve DME, who underwent spectral domain-optical coherence tomography (SD-OCT), fundus photography, and fundus fluorescein angiography (FFA). In addition, peripheral blood samples were taken to evaluate full blood count and biochemical parameters. Correlation between imaging characteristics and laboratory parameters was examined. RESULTS Eyes with central subfield thickness greater than 405 μm presented significantly higher neutrophils/lymphocytes (p = 0.043) and higher lipoprotein (a) compared to eyes with CST < 405 μm (p = 0.003). Presence of hyperreflective foci on SD-OCT was associated with significantly higher white blood cell count (p = 0.028). Ellipsoid zone disruption was associated with significantly lower hematocrit (p = 0.012), hemoglobin (p = 0.009), and red blood cell count (p = 0.026), as well as with higher lipoprotein (a) (p = 0.015). Macular ischemia on FFA was associated with significantly higher monocytes (p = 0.027) and monocytes/HDL (p = 0.019). No significant associations were found between laboratory parameters and subretinal fluid, intraretinal fluid, exudates, cysts, disorganization of inner retinal layers, epiretinal membrane, and external limiting membrane condition. CONCLUSION Specific imaging morphological characteristics were found to be associated with laboratory parameters in patients with DME. These findings may shed light on the pathophysiology of DME and its correlation with the development of specific clinical signs.
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Affiliation(s)
- Eleni Dimitriou
- 2nd Department of Ophthalmology, National and Kapodistrian University of Athens, Athens, Greece
| | - Theodoros N. Sergentanis
- Department of Clinical Therapeutics, Alexandra Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Vaia Lambadiari
- 2nd Department of Internal Medicine, Research Institute and Diabetes Center, National and Kapodistrian University of Athens, Athens, Greece
| | - George Theodossiadis
- 2nd Department of Ophthalmology, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Irini Chatziralli
- 2nd Department of Ophthalmology, National and Kapodistrian University of Athens, Athens, Greece
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