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Turbpaiboon C, Kasemassawachanont A, Wankijcharoen J, Thusneyapan K, Khamman P, Patharateeranart K, Amornsitthiwat R, Numwong T, Chaikittisilpa N, Kiatchai T. Characteristics of lower airway parameters in an adult Asian population related to endotracheal tube design: a cadaveric study. Sci Rep 2024; 14:6137. [PMID: 38480779 PMCID: PMC10937627 DOI: 10.1038/s41598-024-56504-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/07/2024] [Indexed: 03/17/2024] Open
Abstract
The risk of endotracheal tube (ETT) placement includes endobronchial intubation and subglottic injury. This study aimed to describe the lengths of lower airway parameters related to cuff location and vocal cord markings in different adult-sized ETTs. Eighty cadavers were examined for the lengths of the lower airway, including their correlations and linear regressions with height. Thirty adult-sized ETTs from seven different brands were examined for Mark-Cuff and Mark-Tip distances. The depth of ETT placement was simulated for each brand using vocal cord marking. The mean (standard deviation) lengths from the subglottis, trachea, vocal cord to mid- trachea, and vocal cord to carina were 24.2 (3.5), 97.9 (8.6), 73.2 (5.3), and 122.1 (9.0) mm, respectively. Airway lengths were estimated as: (1) subglottis (mm) = 0.173 * (height in cm) - 3.547; (2) vocal cord to mid-trachea (mm) = 0.28 * (height in cm) + 28.391. There were variations in the Mark-Cuff and Mark-Tip distances among different ETTs. In the simulation, endobronchial intubation ranged between 2.5 and 5% and the cuff in the subglottis ranged between 2.5 and 97.5%. In summary, the lower airway parameters were height-related. ETT placement using vocal cord marking puts the patient at a high risk of cuff placement in the subglottis.
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Affiliation(s)
- Chairat Turbpaiboon
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Jirawat Wankijcharoen
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkok Noi, Bangkok, 10700, Thailand
| | - Kittipott Thusneyapan
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Pramuk Khamman
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
- Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | - Ramida Amornsitthiwat
- Department of Radiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Terasut Numwong
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Nophanan Chaikittisilpa
- Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkok Noi, Bangkok, 10700, Thailand
| | - Taniga Kiatchai
- Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkok Noi, Bangkok, 10700, Thailand.
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Kasemassawachanont A, Cheewadhanaraks S, Dacharux W, Oo EM, Turbpaiboon C, Wunnasinthop S, Chompoopong S. Longus Colli and Vertebral Artery Guide Safety of Cervical Spine Surgery. Siriraj Med J 2022. [DOI: 10.33192/smj.2022.60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Objective: To improve the safety of the anterior cervical vertebral surgical approach, MRI and CT have been used and the distances between the medial borders of the longus colli (LC) to expose the uncinated process (UP) have been reported. The anatomic parameters of the LC and vertebral artery (VA) were considered here in relation to the UP to minimize complications.Materials and Methods: Data were obtained from 60 Thai adult skeletons and 20 embalmed cadavers. Direct measurements of the dry cervical vertebrae were performed using digital Vernier calipers, while computer imaging analysis was used for the cadaveric measurements after capturing the images.Results: No significant difference was noted in the inter-UP distance between the dry and cadaveric cervical measurements. The average UP width was 6.7 ± 0.2 mm. The average distance from the tip of the UP to the VA was 2.6 ± 0.1 mm. The calculated distance from the LC to the UP which derived from the inter-UP distance and the distance between the LC increased from C2 to C7 with an average distance of 11.9 ± 0.3 mm.Conclusion: Within a distance of 11.9 ± 0.3 mm from the medial border of the LC, UP can be identified. Dissecting at a distance less than 10 mm posterior, 5–6 mm lateral and superior to the base of the UP can avoid VA injury and optimize the safety of the anterior cervical vertebral surgical approach.
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Turbpaiboon C, Sunan R, Rodma D, Promtang S, Pandeya A, Ratanalekha R, Dacharux W. Deep Peroneal Nerve: Orientation and Branching at the Ankle and Proximal Part of the Foot. Siriraj Med J 2022. [DOI: 10.33192/smj.2022.53] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Objective: This study investigated the frequency and types of 1) orientation of the deep peroneal nerve (DPN) and its branches relative to the dorsalis pedis artery (DPA) and the extensor hallucis longus tendon (EHLT) and 2) branching site and pattern of DPN at the distal area of leg and the proximal zone of the foot.Materials and Methods: One-hundred and sixty specimens from the lower extremities of 80 formalin-embalmed cadavers were investigated for anatomical position, orientation and the branching pattern of DPN by manual dissection, starting from the anterior side of lower extremity just proximal to ankle joint down to the area distal to inferior extensor retinaculum.Results: The most prevalent medial-to-lateral orientation of structures in the area anterior to ankle joints was the EHLT/DPA/DPN. Comparing DPA with the branching of DPN in the areas inside anterior tarsal tunnel (ATT) and distal to ATT, the most common type was an orientation of DPA that was lateral to both the DPN main trunk and its medial terminal branch. Regarding branching sites and patterns of DPN in the intermalleolar and ATT areas, nearly half of the studied specimens had DPN bifurcation at the intermalleolar level and more than half of the bifurcations were inside the ATT.Conclusion: This study establishes novel data regarding type variation and prevalence of DPN in areas of ankle and proximal part of foot in the Thai population which could be helpful in clinical practice.
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Turbpaiboon C, Puprasert C, Lohasammakul S, Dacharux W, Numwong T, Pandeya A, Pisanuwongse A, Kasemassawachanont A. Deep Peroneal Nerve: From an Anatomical Basis to Clinical Implementation. Siriraj Med J 2022. [DOI: 10.33192/smj.2022.54] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The deep peroneal nerve (DPN) is considered one of the clinically significant nerves of the lower extremity since several clinical abnormalities can commonly be caused by its defects, either in its sensory or motor functions. Its derivatives, classified as muscular, cutaneous, and articular, mainly supply the muscles in the anterior fascial compartment of the leg and the dorsum of the foot, the 1st dorsal web space of the foot, the ankle joint, and certain joints of the foot. To improve the effectiveness of clinical practices involving the DPN, it is important to first understand its anatomical nature, including its typical characteristics and the variants (orientation, branching, and analogous structure), prior to applying such practices in clinical implementation. This review, therefore, aims to review the previously studied information of DPN on its fundamental anatomy and link it to the provided examples of current commonly used procedures, both non-invasive and invasive, e.g., nerve imaging, nerve block, neuroelectrophysiological study, and free autologous tissue transfer, thereby giving an integrated view in the translational medicine of DPN. Conclusively, the ultimate goal of this review is to help maximize the therapeutic effectiveness and to minimize the unanticipated complications of any clinical practices involving the DPN by inferring from its anatomical knowledge.
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Oo EM, Ruamyod K, Khowawisetsut L, Turbpaiboon C, Chaisuksunt V, Uawithya P, Pholphana N, Rangkadilok N, Chompoopong S. Germinated Brown Rice Attenuates Cell Death in Vascular Cognitive Impaired Mice and Glutamate-Induced Toxicity In HT22 Cells. J Agric Food Chem 2020; 68:5093-5106. [PMID: 32275827 DOI: 10.1021/acs.jafc.9b07957] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Germinated brown rice (GBR) with unpolishing, soaking, and germinating processes can improve the texture, flavor, and nutritional value, including GABA and phenolic contents. The effect of GBR was first investigated in vascular cognitive impaired mice and glutamate-induced toxicity in HT22 cells with respect to standard pure GABA. Feeding mice with GBR for 5 weeks showed neuroprotection. In this study, the modified bilateral common carotid artery occlusion mice model was mild but a significant difference in cognitive impairment was still shown. Like pure GABA, GBR decreased cognitive deficits in memory behavioral tests and significantly attenuated hippocampal neuronal cell death at P < 0.001. Similarly to 0.125 μM of GABA, 100 μg/mL of GBR increased HT22 cell viability after glutamate toxicity. GBR affected less apoptotic cell death and less blocking by the GABAA antangonist bicuculline in comparison to GABA. When the results are taken together, the underlying mechanism of GBR protection may mediate though the GABAA receptor and its phenolic contents.
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Affiliation(s)
- Eve Mon Oo
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Katesirin Ruamyod
- Department of Physiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Ladawan Khowawisetsut
- Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Chairat Turbpaiboon
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Vipavadee Chaisuksunt
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Panapat Uawithya
- Department of Physiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Nanthanit Pholphana
- Laboratory of Pharmacology, Chulabhorn Research Institute (CRI), Kamphaeng Phet 6, Laksi, Bangkok 10210, Thailand
| | - Nuchanart Rangkadilok
- Laboratory of Pharmacology, Chulabhorn Research Institute (CRI), Kamphaeng Phet 6, Laksi, Bangkok 10210, Thailand
| | - Supin Chompoopong
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
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Turbpaiboon C, Siripan W, Nimnoi P, Sreekanth GP, Wiriyarat W, Tassaneetrithep B, Chompoopong S. Neural cell adhesion molecule (NCAM) and polysialic acid–NCAM expression in developing ICR mice. ASIAN BIOMED 2019. [DOI: 10.1515/abm-2019-0018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Background
Coexpression of polysialic acid (PSA)–neuronal cell adhesion molecule (NCAM) with immature neuronal markers is used to indicate the developmental state of neurons generated in the subgranular zone (SGZ) of adult hippocampus. PSA–NCAM is highly expressed throughout the embryonic and juvenile mammalian brain, but heavily downregulated in adult brain.
Objective
To visualize the expression profiles of NCAM/PSA–NCAM in the dentate SGZ of the hippocampus in developing ICR mice.
Methods
Cellular distribution, expression, and developmental changes of NCAM/PSA–NCAM were studied in ICR mice at embryonic age 17 days (E17); and similarly at postnatal ages P3, P5, and P7. The SGZ was studied using NCAM and PSA–NCAM immunoreactive staining with or without hematoxylin counterstaining. Western blotting was used to confirm protein expression levels.
Results
NCAM expression was localized to the surface of neurons and glia and was higher in postnatal mice than it was in embryonic mice. PSA–NCAM was found in cytoplasm and membrane of neural cells, more densely staining in the dentate SGZ at P7, but no staining found at E17. Western blotting of brain tissues also showed expression of both PSA–NCAM and NCAM increased significantly at P5 and P7 compared with expression at P3.
Conclusions
Progressive increase in NCAM expression occurs in the SGZ during embryogenic and postnatal development. PSA–NCAM was not expressed in embryonic ICR mice, but was increased after birth and highly localized in the SGZ at P7. This NCAM expression pattern in the developing brain indicating structural plasticity and neurogenesis may be useful for study of brain repair.
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Affiliation(s)
- Chairat Turbpaiboon
- Department of Anatomy, Faculty of Medicine, Siriraj Hospital, Mahidol University , Bangkok 10700 , Bangkok , Thailand
| | - Wongsakorn Siripan
- Department of Anatomy, Faculty of Medicine, Siriraj Hospital, Mahidol University , Bangkok 10700 , Bangkok , Thailand
| | - Pornkanok Nimnoi
- Department of Anatomy, Faculty of Medicine, Siriraj Hospital, Mahidol University , Bangkok 10700 , Bangkok , Thailand
| | - Gopinathan Pillai Sreekanth
- Department of Research and Development, Faculty of Medicine, Siriraj Hospital, Mahidol University , Bangkok 10700 , Bangkok , Thailand
| | - Witthawat Wiriyarat
- Department of Pre-clinical and Applied Animal Science, Faculty of Veterinary Science, Mahidol University , Bangkok 10700 , Bangkok , Thailand
| | - Boonrat Tassaneetrithep
- Department of Research and Development, Faculty of Medicine, Siriraj Hospital, Mahidol University , Bangkok 10700 , Bangkok , Thailand
| | - Supin Chompoopong
- Department of Anatomy, Faculty of Medicine, Siriraj Hospital, Mahidol University , Bangkok 10700 , Bangkok , Thailand
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Lohasammakul S, Turbpaiboon C, Chaiyasate K, Tatsanavivat P, Chompoopong S, Roham A, Ratanalekha R, Aojanepong C. Anatomy of medial plantar superficial branch artery perforators: Facilitation of medial plantar superficial branch artery perforator (MPAP) flap harvesting and design for finger pulp reconstruction. Microsurgery 2018; 38:536-543. [PMID: 29575166 DOI: 10.1002/micr.30321] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 01/28/2018] [Accepted: 03/02/2018] [Indexed: 11/07/2022]
Abstract
BACKGROUND Medial plantar artery perforator (MPAP) flap was proposed as proper option for finger pulp reconstruction. To provide the previously unavailable vessel information required for this small flap design, this study aimed to gather all necessary anatomy of MPA, MPAP, and their territories of blood supply to apply in clinical MPAP flap reconstruction minimizing perforator injury. METHODS Dissection of 30 Thai cadaveric feet for visualizing superficial branch of MPA and its perforators (MPAP) using acrylic dye cannulation were performed. Diameter, length, number of branches, course, distributing areas of these vessels, and also their areas of blood supply were recorded in relation to specified landmarks, eg, C-MTH line; medial calcaneal tuberosity to plantar side of the first metatarsal head and S point; emerging point of superficial branch of MPA from deep fasciae into subcutaneous layer. RESULTS Average diameter of MPA at its origin and total length are 1.63 ± 0.3 and 52.8 ± 16.1 mm, respectively. It provides 1-3 perforators, with an average size and length of 0.36 ± 0.11 and 23.2 ± 5.47 mm, respectively. Its distribution is mostly in the posteromedial quadrant within 50 and 30 mm from the midpoint of C-MTH line and the S point, respectively. The estimated perforator flap area is 2.5 cm × 1.5 cm and 4.5 cm × 2.5 cm for single and double perforators, respectively. CONCLUSIONS MPAP flap was proved as another ideal option for finger pulp reconstruction. Its limitation is small size of perforators but this can be overcome by using MPA for microsurgical anastomosis instead.
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Affiliation(s)
- Suphalerk Lohasammakul
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chairat Turbpaiboon
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Kongkrit Chaiyasate
- Division of Plastic Surgery, Department of Surgery, William Beaumont Hospital, Royal Oak, Michigan
| | - Parin Tatsanavivat
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Kamol Cosmetic Hospital, Bangkok, Thailand
| | - Supin Chompoopong
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Ali Roham
- Division of Plastic Surgery, Department of Surgery, William Beaumont Hospital, Royal Oak, Michigan
| | - Rosarin Ratanalekha
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chongdee Aojanepong
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Phimpraphi W, Paul R, Witoonpanich B, Turbpaiboon C, Peerapittayamongkol C, Louicharoen C, Casademont I, Tungpradabkul S, Krudsood S, Kaewkunwal J, Sura T, Looareesuwan S, Singhasivanon P, Sakuntabhai A. Heritability of P. falciparum and P. vivax malaria in a Karen population in Thailand. PLoS One 2008; 3:e3887. [PMID: 19060954 PMCID: PMC2588340 DOI: 10.1371/journal.pone.0003887] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2008] [Accepted: 11/12/2008] [Indexed: 11/18/2022] Open
Abstract
The majority of studies concerning malaria host genetics have focused on individual genes that confer protection against rather than susceptibility to malaria. Establishing the relative impact of genetic versus non-genetic factors on malaria infection and disease is essential to focus effort on key determinant factors. This relative contribution has rarely been evaluated for Plasmodium falciparum and almost never for Plasmodium vivax. We conducted a longitudinal cohort study in a Karen population of 3,484 individuals in a region of mesoendemic malaria, Thailand from 1998 to 2005. The number of P. falciparum and P. vivax clinical cases and the parasite density per person were determined. Statistical analyses were performed to account for the influence of environmental factors and the genetic heritability of the phenotypes was calculated using the pedigree-based variance components model. The genetic contribution to the number of clinical episodes resulting from P. falciparum and P. vivax were 10% and 19% respectively. There was also moderate genetic contribution to the maximum and overall parasite trophozoite density phenotypes for both P. falciparum (16%&16%) and P. vivax (15%&13%). These values, for P. falciparum, were similar to those previously observed in a region of much higher transmission intensity in Senegal, West Africa. Although environmental factors play an important role in acquiring an infection, genetics plays a determinant role in the outcome of an infection with either malaria parasite species prior to the development of immunity.
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Affiliation(s)
- Waraphon Phimpraphi
- Institut Pasteur, Laboratoire de la Génétique de la réponse aux infections chez l'homme, Paris, France
- Department of Tropical Hygiene, Faculty of Tropical Medicine, Mahidol University, Bangkok Thailand
| | - Richard Paul
- Institut Pasteur, Laboratoire de la Génétique de la réponse aux infections chez l'homme, Paris, France
| | - Bhee Witoonpanich
- Institut Pasteur, Laboratoire de la Génétique de la réponse aux infections chez l'homme, Paris, France
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Chairat Turbpaiboon
- Institut Pasteur, Laboratoire de la Génétique de la réponse aux infections chez l'homme, Paris, France
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | | | - Chalisa Louicharoen
- Institut Pasteur, Laboratoire de la Génétique de la réponse aux infections chez l'homme, Paris, France
| | - Isabelle Casademont
- Institut Pasteur, Laboratoire de la Génétique de la réponse aux infections chez l'homme, Paris, France
| | - Sumalee Tungpradabkul
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Srivicha Krudsood
- Department of Tropical Hygiene, Faculty of Tropical Medicine, Mahidol University, Bangkok Thailand
| | - Jaranit Kaewkunwal
- Department of Tropical Hygiene, Faculty of Tropical Medicine, Mahidol University, Bangkok Thailand
| | - Thanyachai Sura
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Sornchai Looareesuwan
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Pratap Singhasivanon
- Department of Tropical Hygiene, Faculty of Tropical Medicine, Mahidol University, Bangkok Thailand
| | - Anavaj Sakuntabhai
- Institut Pasteur, Laboratoire de la Génétique de la réponse aux infections chez l'homme, Paris, France
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- * E-mail:
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Sakuntabhai A, Ndiaye R, Casadémont I, Peerapittayamongkol C, Rogier C, Tortevoye P, Tall A, Paul R, Turbpaiboon C, Phimpraphi W, Trape JF, Spiegel A, Heath S, Mercereau-Puijalon O, Dieye A, Julier C. Genetic determination and linkage mapping of Plasmodium falciparum malaria related traits in Senegal. PLoS One 2008; 3:e2000. [PMID: 18431485 PMCID: PMC2295258 DOI: 10.1371/journal.pone.0002000] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2007] [Accepted: 03/10/2008] [Indexed: 11/19/2022] Open
Abstract
Plasmodium falciparum malaria episodes may vary considerably in their severity and clinical manifestations. There is good evidence that host genetic factors contribute to this variability. To date, most genetic studies aiming at the identification of these genes have used a case/control study design for severe malaria, exploring specific candidate genes. Here, we performed a family-based genetic study of falciparum malaria related phenotypes in two independent longitudinal survey cohorts, as a first step towards the identification of genes and mechanisms involved in the outcome of infection. We studied two Senegalese villages, Dielmo and Ndiop that differ in ethnicity, malaria transmission and endemicity. We performed genome-scan linkage analysis of several malaria-related phenotypes both during clinical attacks and asymptomatic infection. We show evidence for a strong genetic contribution to both the number of clinical falciparum malaria attacks and the asymptomatic parasite density. The asymptomatic parasite density showed linkage to chromosome 5q31 (LOD = 2.26, empirical p = 0.0014, Dielmo), confirming previous findings in other studies. Suggestive linkage values were also obtained at three additional chromosome regions: the number of clinical malaria attacks on chromosome 5p15 (LOD = 2.57, empirical p = 0.001, Dielmo) and 13q13 (LOD = 2.37, empirical p = 0.0014 Dielmo), and the maximum parasite density during asymptomatic infection on chromosome 12q21 (LOD = 3.1, empirical p<10−4, Ndiop). While regions of linkage show little overlap with genes known to be involved in severe malaria, the four regions appear to overlap with regions linked to asthma or atopy related traits, suggesting that common immune related pathways may be involved.
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Affiliation(s)
- Anavaj Sakuntabhai
- Institut Pasteur, Unité de Génétique des Maladies Infectieuses et Autoimmunes, Paris, France.
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Turbpaiboon C, Limjindaporn T, Wongwiwat W, U-Pratya Y, Siritanaratkul N, Yenchitsomanus PT, Jitrapakdee S, Wilairat P. Impaired interaction of α-haemoglobin-stabilising protein with α-globin termination mutant in a yeast two-hybrid system. Br J Haematol 2005; 132:370-3. [PMID: 16409302 DOI: 10.1111/j.1365-2141.2005.05865.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Alpha-thalassaemia caused by alpha-globin gene termination codon mutations (alphaT-globin) has been explained by their inherent mRNA instability and by oxidative damage arising from the presence of membrane-bound alphaT-globin chains. To better understand the latter phenomenon, a yeast two-hybrid system was used to assay the interaction between alphaT-globin and its molecular chaperone, alpha-haemoglobin-stabilising protein (AHSP) and impaired binding of alphaT-globin with AHSP compared with alpha(wild-type)-globin was observed.
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Affiliation(s)
- Chairat Turbpaiboon
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
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Sakuntabhai A, Turbpaiboon C, Casadémont I, Chuansumrit A, Lowhnoo T, Kajaste-Rudnitski A, Kalayanarooj SM, Tangnararatchakit K, Tangthawornchaikul N, Vasanawathana S, Chaiyaratana W, Yenchitsomanus PT, Suriyaphol P, Avirutnan P, Chokephaibulkit K, Matsuda F, Yoksan S, Jacob Y, Lathrop GM, Malasit P, Desprès P, Julier C. A variant in the CD209 promoter is associated with severity of dengue disease. Nat Genet 2005; 37:507-13. [PMID: 15838506 PMCID: PMC7096904 DOI: 10.1038/ng1550] [Citation(s) in RCA: 227] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2004] [Accepted: 03/16/2005] [Indexed: 01/26/2023]
Abstract
Dengue fever and dengue hemorrhagic fever are mosquito-borne viral diseases. Dendritic cell–specific ICAM-3 grabbing nonintegrin (DC-SIGN1, encoded by CD209), an attachment receptor of dengue virus, is essential for productive infection of dendritic cells1,2. Here, we report strong association between a promoter variant of CD209, DCSIGN1-336, and risk of dengue fever compared with dengue hemorrhagic fever or population controls. The G allele of the variant DCSIGN1-336 was associated with strong protection against dengue fever in three independent cohorts from Thailand, with a carrier frequency of 4.7% in individuals with dengue fever compared with 22.4% in individuals with dengue hemorrhagic fever (odds ratio for risk of dengue hemorrhagic fever versus dengue fever: 5.84, P = 1.4 × 10−7) and 19.5% in controls (odds ratio for protection: 4.90, P = 2 × 10−6). This variant affects an Sp1-like binding site and transcriptional activity in vitro. These results indicate that CD209 has a crucial role in dengue pathogenesis, which discriminates between severe dengue fever and dengue hemorrhagic fever. This may have consequences for therapeutic and preventive strategies.
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Affiliation(s)
- Anavaj Sakuntabhai
- Génétique des Maladies Infectieuses et Autoimmunes, Institut Pasteur, INSERM E102, 28 rue du docteur Roux, Paris, 75724 Cedex 15 France
- Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Rama VI, Bangkok, 10400 Thailand
| | - Chairat Turbpaiboon
- Génétique des Maladies Infectieuses et Autoimmunes, Institut Pasteur, INSERM E102, 28 rue du docteur Roux, Paris, 75724 Cedex 15 France
- Department of Biochemistry, Faculty of Science, Ramathibodi Hospital, Mahidol University, Rama VI, Bangkok, 10400 Thailand
| | - Isabelle Casadémont
- Génétique des Maladies Infectieuses et Autoimmunes, Institut Pasteur, INSERM E102, 28 rue du docteur Roux, Paris, 75724 Cedex 15 France
| | - Ampaiwan Chuansumrit
- Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Rama VI, Bangkok, 10400 Thailand
| | - Tassanee Lowhnoo
- Génétique des Maladies Infectieuses et Autoimmunes, Institut Pasteur, INSERM E102, 28 rue du docteur Roux, Paris, 75724 Cedex 15 France
- Centre National de Génotypage, 2 rue Gaston Crémieux, CP 5721, Evry, 91057 Cedex France
- Research Center, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Rama VI, Bangkok, 10400 Thailand
| | - Anna Kajaste-Rudnitski
- Interactions Moléculaires Flavivirus-Hôtes, Institut Pasteur, 25 rue du docteur Roux, Paris, 75724 Cedex 15 France
| | - Sita Mint Kalayanarooj
- Génétique des Maladies Infectieuses et Autoimmunes, Institut Pasteur, INSERM E102, 28 rue du docteur Roux, Paris, 75724 Cedex 15 France
- Medical Molecular Biology Unit, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok-noi, Bangkok, 10700 Thailand
| | - Kanchana Tangnararatchakit
- Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Rama VI, Bangkok, 10400 Thailand
| | - Nattaya Tangthawornchaikul
- Medical Biotechnology Unit, National Center for Genetic Engineering and Biotechnology BIOTEC, National Science and Technology Development Agency NSTDA, Pathumthani, 12120 Thailand
| | - Sirijit Vasanawathana
- Department of Pediatrics, Khon Kaen Hospital, Ministry of Public Health, Khonkaen, 40000 Thailand
| | - Wathanee Chaiyaratana
- Research Center, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Rama VI, Bangkok, 10400 Thailand
| | - Pa-thai Yenchitsomanus
- Medical Molecular Biology Unit, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok-noi, Bangkok, 10700 Thailand
- Medical Biotechnology Unit, National Center for Genetic Engineering and Biotechnology BIOTEC, National Science and Technology Development Agency NSTDA, Pathumthani, 12120 Thailand
| | - Prapat Suriyaphol
- Medical Molecular Biology Unit, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok-noi, Bangkok, 10700 Thailand
| | - Panisadee Avirutnan
- Medical Molecular Biology Unit, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok-noi, Bangkok, 10700 Thailand
| | - Kulkanya Chokephaibulkit
- Department of Pediatrics, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, 10700 Thailand
| | - Fumihiko Matsuda
- Centre National de Génotypage, 2 rue Gaston Crémieux, CP 5721, Evry, 91057 Cedex France
| | - Sutee Yoksan
- Center for Vaccine Development, Institute of Science and Technology for Research and Development, Mahidol University, 25/25 Moo 3, Phuttamonthon 4 Road, Salaya, Phuttamonthon District, Nakhon Pathom, 73170 Thailand
| | - Yves Jacob
- Génétique, Papillomavirus et Cancer Humain, Institut Pasteur, 25 rue du docteur Roux, Paris, 75724 Cedex 15 France
| | - G Mark Lathrop
- Centre National de Génotypage, 2 rue Gaston Crémieux, CP 5721, Evry, 91057 Cedex France
| | - Prida Malasit
- Medical Molecular Biology Unit, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok-noi, Bangkok, 10700 Thailand
- Medical Biotechnology Unit, National Center for Genetic Engineering and Biotechnology BIOTEC, National Science and Technology Development Agency NSTDA, Pathumthani, 12120 Thailand
| | - Philippe Desprès
- Interactions Moléculaires Flavivirus-Hôtes, Institut Pasteur, 25 rue du docteur Roux, Paris, 75724 Cedex 15 France
| | - Cécile Julier
- Génétique des Maladies Infectieuses et Autoimmunes, Institut Pasteur, INSERM E102, 28 rue du docteur Roux, Paris, 75724 Cedex 15 France
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Turbpaiboon C, Siritantikorn A, Thongnoppakhun W, Bunditworapoom D, Limwongse C, Yenchitsomanus PT, Siritanaratkul N, Wilairat P. Hemoglobin Pakse: Presence on Red Blood Cell Membrane and Detection by Polymerase Chain Reaction-Single-Strand Conformational Polymorphism. Int J Hematol 2004; 80:136-9. [PMID: 15481441 DOI: 10.1532/ijh97.a20402] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Nondeletional gene mutations giving rise to alpha-thalassemia can be found at polymorphic frequency in Southeast Asia. Although the most common is hemoglobin Constant Spring (Hb CS), caused by a termination codon mutation (UAA --> CAA, Gln) in the alpha2-globin gene and resulting in reduced synthesis of the elongated alpha-globin variant, Hb Pakse (UAA --> UAU, Tyr) also has been observed at a significant prevalence. Western blot analysis of ghost membrane proteins separated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis from an individual with alpha-thal 1/Hb Pakse revealed the existence of a higher molecular weight globin of 18 kd consistent with an alpha(Pakse)-globin chain. The presence of alpha(Pakse)-globin on membranes of Hb Pakse-containing red blood cells affords an explanation for the severity of anemia observed in such patients. However, because the 2 Hb variants cannot be distinguished by current biochemical techniques, we developed a convenient single-tube polymerase chain reaction-single-strand conformational polymorphism (PCR-SSCP) protocol for the simultaneous diagnosis of Hb CS and Hb Pakse by amplifying a short fragment covering the termination codon of the alpha2-globin gene. This PCR-SSCP method required no internal control coamplification or use of restriction enzymes and has the potential of identifying all the other possible termination codon mutations in a single reaction with only 1 pair of primers.
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Affiliation(s)
- Chairat Turbpaiboon
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
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13
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Turbpaiboon C, Svasti S, Sawangareetakul P, Winichagoon P, Srisomsap C, Siritanaratkul N, Fucharoen S, Wilairat P, Svasti J. Hb Siam [alpha15(A13)Gly-->Arg (alpha1) (GGT-->CGT)] is a typical alpha chain hemoglobinopathy without an alpha-thalassemic effect. Hemoglobin 2002; 26:77-81. [PMID: 11939517 DOI: 10.1081/hem-120002944] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Chairat Turbpaiboon
- Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok, Thailand
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