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Agarwal T, Lyngdoh T, Khadgawat R, Prabhakaran D, Chandak GR, Walia GK. Genetic architecture of adiposity measures among Asians: Findings from GWAS. Ann Hum Genet 2023; 87:255-273. [PMID: 37671428 DOI: 10.1111/ahg.12526] [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: 02/15/2023] [Revised: 08/17/2023] [Accepted: 08/18/2023] [Indexed: 09/07/2023]
Abstract
Adiposity has gradually become a global public threat over the years with drastic increase in the attributable deaths and disability adjusted life years (DALYs). Given an increased metabolic risk among Asians as compared to Europeans for any given body mass index (BMI) and considering the differences in genetic architecture between them, the present review aims to summarize the findings from genome-wide scans for various adiposity indices and related anthropometric measures from Asian populations. The search for related studies, published till February 2022, were made on PubMed and GWAS Catalog using search strategy built with relevant keywords joined by Boolean operators. It was recorded that out of a total of 47 identified studies, maximum studies are from Korean population (n = 14), followed by Chinese (n = 7), and Japanese (n = 6). Nearly 200 loci have been identified for BMI, 660 for height, 16 for weight, 28 for circumferences (waist and hip), 32 for ratios (waist hip ratio [WHR] and thoracic hip ratio [THR]), 5 for body fat, 16 for obesity, and 28 for adiposity-related blood markers among Asians. It was observed that though, most of the loci were unique for each trait, there were 3 loci in common to BMI and WHR. Apart from validation of variants identified in European setting, there were many novel loci discovered in Asian populations. Notably, 125 novel loci form Asian studies have been reported for BMI, 47 for height, 5 for waist circumference, and 2 for adiponectin level to the existing knowledge of the genetic framework of adiposity and related measures. It is necessary to examine more advanced adiposity measures, specifically of relevance to abdominal adiposity, a major risk factor for cardiometabolic disorders among Asians. Moreover, in spite of being one continent, there is diversity among different ethnicities across Asia in terms of lifestyle, climate, geography, genetic structure and consequently the phenotypic manifestations. Hence, it is also important to consider ethnic specific studies for identifying and validating reliable genetic variants of adiposity measures among Asians.
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Affiliation(s)
- Tripti Agarwal
- Indian Institute of Public Health-Delhi, Public Health Foundation of India, Delhi, India
| | | | | | | | - Giriraj Ratan Chandak
- Genomic Research in Complex diseases (GRC Group), CSIR-Centre for Cellular and Molecular Biology, Hyderabad, India
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Sierawska O, Niedźwiedzka-Rystwej P. Adipokines as potential biomarkers for type 2 diabetes mellitus in cats. Front Immunol 2022; 13:950049. [PMID: 36248900 PMCID: PMC9561307 DOI: 10.3389/fimmu.2022.950049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 09/01/2022] [Indexed: 11/13/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is no longer only a disease of humans, but also of domestic animals, and it particularly affects cats. It is increasingly thought that because of its unique characteristics, T2DM may belong not only to the group of metabolic diseases but also to the group of autoimmune diseases. This is due to the involvement of the immune system in the inflammation that occurs with T2DM. Various pro- and anti-inflammatory substances are secreted, especially cytokines in patients with T2DM. Cytokines secreted by adipose tissue are called adipokines, and leptin, adiponectin, resistin, omentin, TNF-α, and IL-6 have been implicated in T2DM. In cats, approximately 90% of diabetic cases are T2DM. Risk factors include older age, male sex, Burmese breed, presence of obesity, and insulin resistance. Diagnosis of a cat requires repeated testing and is complicated compared to human diagnosis. Based on similarities in the pathogenesis of T2DM between humans and cats, adipokines previously proposed as biomarkers for human T2DM may also serve in the diagnosis of this disease in cats.
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Affiliation(s)
- Olga Sierawska
- Doctoral School, University of Szczecin, Szczecin, Poland
- Institute of Biology, University of Szczecin, Szczecin, Poland
- *Correspondence: Olga Sierawska,
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Zengin G, Mahomoodally MF, Sinan KI, Ak G, Etienne OK, Sharmeen JB, Brunetti L, Leone S, Di Simone SC, Recinella L, Chiavaroli A, Menghini L, Orlando G, Jekő J, Cziáky Z, Ferrante C. Chemical Composition and Biological Properties of Two Jatropha Species: Different Parts and Different Extraction Methods. Antioxidants (Basel) 2021; 10:antiox10050792. [PMID: 34067702 PMCID: PMC8156752 DOI: 10.3390/antiox10050792] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/14/2021] [Accepted: 05/14/2021] [Indexed: 11/16/2022] Open
Abstract
Jatropha L. species, in particular, J. curcas and J. gossypiifolia, are well known medicinal plants used for treating various diseases. In the present study, leaf and stem bark extracts of J. curcas and J. gossypiifolia obtained by maceration or homogenizer assisted extraction, were investigated for their phytochemical contents and biological potential as antioxidants, enzyme inhibitors and neuromodulators. In this regard, the gene expression of tumor necrosis factor α (TNFα) and brain-derived neurotrophic factor (BDNF) was investigated in hypothalamic HypoE22 cells. Finally, a bioinformatics analysis was carried out with the aim to unravel the putative mechanisms consistent with both metabolomic fingerprints and pharmacological effects. The leaf extracts of J. curcas showed higher total phenolic content (TPC) and total flavonoid content (TFC) than the stem bark extracts (range: 5.79–48.95 mg GAE/g and 1.64–13.99 mg RE/g, respectively), while J. gossypiifolia possessed TPC and TFC in the range of 42.62–62.83 mg GAE/g and 6.97–17.63 mg RE/g, respectively. HPLC-MS/MS analysis revealed that the leaf extracts of both species obtained by homogenizer assisted extraction are richer in phytochemical compounds compared to the stem bark extracts obtained by the same extraction method. In vitro antioxidant potentials were also demonstrated in different assays (DPPH: 6.89–193.93 mg TE/g, ABTS: 20.20–255.39 mg TE/g, CUPRAC: 21.07–333.30 mg TE/g, FRAP: 14.02–168.93 mg TE/g, metal chelating activity: 3.21–17.51 mg EDTAE/g and phosphomolybdenum assay: 1.76–3.55 mmol TE/g). In particular, the leaf extract of J. curcas and the stem bark extract of J. gossypiifolia, both obtained by homogenizer assisted extraction, showed the most potent antioxidant capacity in terms of free radical scavenging and reducing activity, which could be related to their higher TPC and TFC. Furthermore, anti-neurodegenerative (acetylcholinesterase inhibition: 1.12–2.36 mg GALAE/g; butyrylcholinetserase inhibition: 0.50–3.68 mg GALAE/g), anti-hyperpigmentation (tyrosinase inhibition: 38.14–57.59 mg KAE/g) and antidiabetic (amylase inhibition: 0.28–0.62 mmol ACAE/g; glucosidase inhibition: 0.65–0.81 mmol ACAE/g) properties were displayed differentially by the different extracts. Additionally, the extracts were effective in reducing the gene expression of both TNFα and BDNF, which could be partially mediated by phenolic compounds such as naringenin, apigenin and quercetin. Indeed, the scientific data obtained from the present study complement the several other reports highlighting the pharmacological potentials of these two species, thus supporting their uses as therapeutically active plants.
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Affiliation(s)
- Gokhan Zengin
- Physiology and Biochemistry Research Laboratory, Department of Biology, Science Faculty, Selcuk University Campus, 42130 Konya, Turkey; (K.I.S.); (G.A.)
- Correspondence: (G.Z.); (G.O.)
| | - Mohamad Fawzi Mahomoodally
- Department of Health Sciences, Faculty of Medicine and Health Sciences, University of Mauritius, Réduit 230, Mauritius; (M.F.M.); (J.B.S.)
| | - Kouadio Ibrahime Sinan
- Physiology and Biochemistry Research Laboratory, Department of Biology, Science Faculty, Selcuk University Campus, 42130 Konya, Turkey; (K.I.S.); (G.A.)
| | - Gunes Ak
- Physiology and Biochemistry Research Laboratory, Department of Biology, Science Faculty, Selcuk University Campus, 42130 Konya, Turkey; (K.I.S.); (G.A.)
| | - Ouattara Katinan Etienne
- Laboratoire de Botanique, UFR Biosciences, Université Félix Houphouët-Boigny, Abidjan 00225, Côte d’Ivoire;
| | - Jugreet B. Sharmeen
- Department of Health Sciences, Faculty of Medicine and Health Sciences, University of Mauritius, Réduit 230, Mauritius; (M.F.M.); (J.B.S.)
| | - Luigi Brunetti
- Department of Pharmacy, Medicinal Plant Unit (MPU), Botanic Garden “Giardino dei Semplici”, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 66100 Chieti, Italy; (L.B.); (S.L.); (S.C.D.S.); (L.R.); (A.C.); (L.M.); (C.F.)
| | - Sheila Leone
- Department of Pharmacy, Medicinal Plant Unit (MPU), Botanic Garden “Giardino dei Semplici”, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 66100 Chieti, Italy; (L.B.); (S.L.); (S.C.D.S.); (L.R.); (A.C.); (L.M.); (C.F.)
| | - Simonetta Cristina Di Simone
- Department of Pharmacy, Medicinal Plant Unit (MPU), Botanic Garden “Giardino dei Semplici”, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 66100 Chieti, Italy; (L.B.); (S.L.); (S.C.D.S.); (L.R.); (A.C.); (L.M.); (C.F.)
| | - Lucia Recinella
- Department of Pharmacy, Medicinal Plant Unit (MPU), Botanic Garden “Giardino dei Semplici”, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 66100 Chieti, Italy; (L.B.); (S.L.); (S.C.D.S.); (L.R.); (A.C.); (L.M.); (C.F.)
| | - Annalisa Chiavaroli
- Department of Pharmacy, Medicinal Plant Unit (MPU), Botanic Garden “Giardino dei Semplici”, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 66100 Chieti, Italy; (L.B.); (S.L.); (S.C.D.S.); (L.R.); (A.C.); (L.M.); (C.F.)
| | - Luigi Menghini
- Department of Pharmacy, Medicinal Plant Unit (MPU), Botanic Garden “Giardino dei Semplici”, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 66100 Chieti, Italy; (L.B.); (S.L.); (S.C.D.S.); (L.R.); (A.C.); (L.M.); (C.F.)
| | - Giustino Orlando
- Department of Pharmacy, Medicinal Plant Unit (MPU), Botanic Garden “Giardino dei Semplici”, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 66100 Chieti, Italy; (L.B.); (S.L.); (S.C.D.S.); (L.R.); (A.C.); (L.M.); (C.F.)
- Correspondence: (G.Z.); (G.O.)
| | - József Jekő
- Agricultural and Molecular Research and Service Institute, University of Nyíregyháza, 4400 Nyíregyháza, Hungary; (J.J.); (Z.C.)
| | - Zoltán Cziáky
- Agricultural and Molecular Research and Service Institute, University of Nyíregyháza, 4400 Nyíregyháza, Hungary; (J.J.); (Z.C.)
| | - Claudio Ferrante
- Department of Pharmacy, Medicinal Plant Unit (MPU), Botanic Garden “Giardino dei Semplici”, “G. d’Annunzio” University of Chieti-Pescara, Via dei Vestini, 66100 Chieti, Italy; (L.B.); (S.L.); (S.C.D.S.); (L.R.); (A.C.); (L.M.); (C.F.)
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