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Arfeuille C, Vial Y, Cadenet M, Caye-Eude A, Fenneteau O, Neven Q, Bonnard AA, Pizzi S, Carpentieri G, Capri Y, Girardi K, Pedace L, Macchiaiolo M, Boudhar K, Khaled MB, Chahla WA, Lutun A, Fahd M, Drunat S, Flex E, Dalle JH, Strullu M, Locatelli F, Tartaglia M, Cavé H. Germline bi-allelic SH2B3/LNK alteration predisposes to a neonatal juvenile myelomonocytic leukemia-like disorder. Haematologica 2024; 109:2542-2554. [PMID: 37981895 PMCID: PMC11290538 DOI: 10.3324/haematol.2023.283917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 11/07/2023] [Indexed: 11/21/2023] Open
Abstract
Juvenile myelomonocytic leukemia (JMML) is a rare, generally aggressive myeloproliferative neoplasm affecting young children. It is characterized by granulomonocytic expansion, with monocytosis infiltrating peripheral tissues. JMML is initiated by mutations upregulating RAS signaling. Approximately 10% of cases remain without an identified driver event. Exome sequencing of two unrelated cases of familial JMML of unknown genetics and analysis of the French JMML cohort identified 11 patients with variants in SH2B3, encoding LNK, a negative regulator of the JAK-STAT pathway. All variants were absent from healthy population databases, and the mutation spectrum was consistent with a loss of function of the LNK protein. A stoploss variant was shown to affect both protein synthesis and stability. The other variants were either truncating or missense, the latter affecting the SH2 domain that interacts with activated JAK. Of the 11 patients, eight from five families inherited pathogenic bi-allelic SH2B3 germline variants from their unaffected heterozygous parents. These children represent half of the cases with no identified causal mutation in the French cohort. They displayed typical clinical and hematologic features of JMML with neonatal onset and marked thrombocytopenia. They had a hypomethylated DNA profile with fetal characteristics and did not have additional genetic alterations. All patients showed partial or complete spontaneous clinical resolution. However, progression to thrombocythemia and immunity-related pathologies may be of concern later in life. Bi-allelic SH2B3 germline mutations thus define a new condition predisposing to a JMML-like disorder, suggesting that JAK pathway deregulation is capable of initiating JMML, and opening new therapeutic options.
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Affiliation(s)
- Chloé Arfeuille
- Département de Génétique, Unité de Génétique Moléculaire, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris, France; INSERM UMR_S1131, Institut de Recherche Saint-Louis, Université Paris-Cité, Paris
| | - Yoann Vial
- Département de Génétique, Unité de Génétique Moléculaire, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris, France; INSERM UMR_S1131, Institut de Recherche Saint-Louis, Université Paris-Cité, Paris
| | - Margaux Cadenet
- Département de Génétique, Unité de Génétique Moléculaire, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris, France; INSERM UMR_S1131, Institut de Recherche Saint-Louis, Université Paris-Cité, Paris
| | - Aurélie Caye-Eude
- Département de Génétique, Unité de Génétique Moléculaire, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris, France; INSERM UMR_S1131, Institut de Recherche Saint-Louis, Université Paris-Cité, Paris
| | - Odile Fenneteau
- Service d'Hématologie Biologique, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris
| | - Quentin Neven
- Service d'Onco-Hématologie pédiatrique, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris
| | - Adeline A Bonnard
- Département de Génétique, Unité de Génétique Moléculaire, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris, France; INSERM UMR_S1131, Institut de Recherche Saint-Louis, Université Paris-Cité, Paris
| | - Simone Pizzi
- Molecular Genetics and Functional Genomics, Bambino Gesù Children's Hospital IRCCS, 00146 Rome
| | - Giovanna Carpentieri
- Molecular Genetics and Functional Genomics, Bambino Gesù Children's Hospital IRCCS, 00146 Rome
| | - Yline Capri
- Département de Génétique, Unité de Génétique clinique, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris
| | - Katia Girardi
- Department of Hematology/Oncology and Cell and Gene Therapy, Bambino Gesù Children's Hospital IRCCS, 00146 Rome
| | - Lucia Pedace
- Department of Hematology/Oncology and Cell and Gene Therapy, Bambino Gesù Children's Hospital IRCCS, 00146 Rome
| | - Marina Macchiaiolo
- Rare Diseases and Medical Genetics, Bambino Gesù Children's Hospital IRCCS, 00146 Rome
| | - Kamel Boudhar
- Service de réanimation néonatale, Hôpital Central de l'Armée, Alger, Algérie
| | - Monia Ben Khaled
- University of Tunis El Manar, Faculty of Medicine of Tunis, 1007, Tunisia. Pediatric Immuno- Hematology Unit, Bone Marrow Transplantation Center Tunis, Tunis, Tunisia
| | - Wadih Abou Chahla
- Service d'Hématologie Pédiatrique, Centre Hospitalier Universitaire de Lille, Lille
| | - Anne Lutun
- Service d'Hématologie Pédiatrique, Centre Hospitalier Universitaire d'Amiens, Amiens
| | - Mony Fahd
- Service d'Onco-Hématologie pédiatrique, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris
| | - Séverine Drunat
- Département de Génétique, Unité de Génétique Moléculaire, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris
| | - Elisabetta Flex
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome
| | - Jean-Hugues Dalle
- Service d'Onco-Hématologie pédiatrique, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris
| | - Marion Strullu
- INSERM UMR_S1131, Institut de Recherche Saint-Louis, Université Paris-Cité, Paris, France; Service d'Onco-Hématologie pédiatrique, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris
| | - Franco Locatelli
- Department of Hematology/Oncology and Cell and Gene Therapy, Bambino Gesù Children's Hospital IRCCS, 00146 Rome, Italy; Department of Pediatrics, Catholic University of the Sacred Hearth, 00168 Rome
| | - Marco Tartaglia
- Molecular Genetics and Functional Genomics, Bambino Gesù Children's Hospital IRCCS, 00146 Rome
| | - Hélène Cavé
- Département de Génétique, Unité de Génétique Moléculaire, Hôpital Robert Debré, Assistance Publique des Hôpitaux de Paris (AP-HP), Paris, France; INSERM UMR_S1131, Institut de Recherche Saint-Louis, Université Paris-Cité, Paris.
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Bo D, Feng Y, Bai Y, Li J, Wang Y, You Z, Shen J, Bai Y. Whole-Genome Resequencing Reveals Genetic Diversity and Growth Trait-Related Genes in Pinan Cattle. Animals (Basel) 2024; 14:2163. [PMID: 39123689 PMCID: PMC11310955 DOI: 10.3390/ani14152163] [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: 05/28/2024] [Revised: 07/23/2024] [Accepted: 07/23/2024] [Indexed: 08/12/2024] Open
Abstract
The breeding of high-quality beef cattle breeds is crucial for the development of animal husbandry, and whole-genome resequencing is widely applicated in the field of molecular breeding. Advantages in growth and reproductive traits exist in Pinan cattle compared with other cattle breeds, but there is limited research on its genomic mechanism. Using whole-genome resequencing, the genetic structure and genomic selection signatures in Pinan cattle were investigated in this study. Phylogenetic, cluster, and admixture analysis results indicated that Pinan cattle have a closer genetic relationship with Kholmogory cattle and China north cattle breeds. Through a selective sweep strategy, 207 and 54 candidate genes related to growth and reproduction and immunity, respectively, were identified in the Pinan cattle population. Given the crucial role of the glutamate-cysteine ligase catalytic (GCLC) gene in muscle antioxidative defense, the high frequency of allele T of the GCLC c.429 C>T locus in the Pinan cattle population might partially contribute to the advantages of Pinan cattle in growth performance. This study laid the foundation for the genetic improvement in Chinese local beef cattle and provide background for the studies on the growth and development of Pinan cattle.
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Affiliation(s)
- Dongdong Bo
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (D.B.); (Y.F.); (Y.B.); (J.L.); (Y.W.); (Z.Y.); (J.S.)
- Key Laboratory of Innovative Utilization of Local Cattle and Sheep Germplasm Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhengzhou 450001, China
| | - Yuqing Feng
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (D.B.); (Y.F.); (Y.B.); (J.L.); (Y.W.); (Z.Y.); (J.S.)
- Key Laboratory of Innovative Utilization of Local Cattle and Sheep Germplasm Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhengzhou 450001, China
| | - Yilin Bai
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (D.B.); (Y.F.); (Y.B.); (J.L.); (Y.W.); (Z.Y.); (J.S.)
- Key Laboratory of Innovative Utilization of Local Cattle and Sheep Germplasm Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhengzhou 450001, China
| | - Jing Li
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (D.B.); (Y.F.); (Y.B.); (J.L.); (Y.W.); (Z.Y.); (J.S.)
- Key Laboratory of Innovative Utilization of Local Cattle and Sheep Germplasm Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhengzhou 450001, China
| | - Yuanyuan Wang
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (D.B.); (Y.F.); (Y.B.); (J.L.); (Y.W.); (Z.Y.); (J.S.)
- Key Laboratory of Innovative Utilization of Local Cattle and Sheep Germplasm Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhengzhou 450001, China
| | - Zerui You
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (D.B.); (Y.F.); (Y.B.); (J.L.); (Y.W.); (Z.Y.); (J.S.)
- Key Laboratory of Innovative Utilization of Local Cattle and Sheep Germplasm Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhengzhou 450001, China
| | - Jiameng Shen
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (D.B.); (Y.F.); (Y.B.); (J.L.); (Y.W.); (Z.Y.); (J.S.)
- Key Laboratory of Innovative Utilization of Local Cattle and Sheep Germplasm Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhengzhou 450001, China
| | - Yueyu Bai
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (D.B.); (Y.F.); (Y.B.); (J.L.); (Y.W.); (Z.Y.); (J.S.)
- Key Laboratory of Innovative Utilization of Local Cattle and Sheep Germplasm Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Zhengzhou 450001, China
- Henan Animal Health Supervision, Zhengzhou 450046, China
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Dong X, Gong LL, Hong MZ, Pan JS. Investigating the shared genetic architecture between primary sclerosing cholangitis and inflammatory bowel diseases: a Mendelian randomization study. BMC Gastroenterol 2024; 24:77. [PMID: 38373892 PMCID: PMC10875759 DOI: 10.1186/s12876-024-03162-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/07/2024] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND Several studies have found that primary sclerosing cholangitis (PSC) and inflammatory bowel disease (IBD) are closely associated. However, the direction and causality of their interactions remain unclear. Thus, this study employs Mendelian Randomization to explore whether there are causal associations of genetically predicted PSC with IBD. METHODS Genetic variants associated with the genome-wide association study (GWAS) of PSC were used as instrumental variables. The statistics for IBD, including ulcerative colitis (UC), and Crohn's disease (CD) were derived from GWAS. Then, five methods were used to estimate the effects of genetically predicted PSC on IBD, including MR Egger, Weighted median (WM), Inverse variance weighted (IVW), Simple mode, and Weighted mode. Last, we also evaluated the pleiotropic effects, heterogeneity, and a leave-one-out sensitivity analysis that drives causal associations to confirm the validity of the analysis. RESULTS Genetically predicted PSC was significantly associated with an increased risk of UC, according to the study (odds ratio [OR] IVW= 1.0014, P<0.05). However, none of the MR methods found significant causal evidence of genetically predicted PSC in CD (All P>0.05). The sensitivity analysis results showed that the causal effect estimations of genetically predicted PSC on IBD were robust, and there was no horizontal pleiotropy or statistical heterogeneity. CONCLUSIONS Our study corroborated a causal association between genetically predicted PSC and UC but did not between genetically predicted PSC and CD. Then, we identification of shared SNPs for PSC and UC, including rs3184504, rs9858213, rs725613, rs10909839, and rs4147359. More animal experiments and clinical observational studies are required to further clarify the underlying mechanisms of PSC and IBD.
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Affiliation(s)
- Xuan Dong
- Department of Hepatology, the First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
- Hepatology Research Institute, Fujian Medical University, Fuzhou, Fujian, China
- Department of Hepatology, National Regional Medical Center, Binhai Campus of the First Affiliated Hosptial, Fujian Medical University, Fuzhou, Fujian, China
- Fujian Clinical Research Center for Hepatopathy and Intestinal Diseases, Fuzhou, Fujian, China
| | - Li-Li Gong
- Department of General Practice, Zhongshan Hospital, Xiamen University, Xiamen, Fujian, China
| | - Mei-Zhu Hong
- Department of Traditional Chinese Medicine, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, Fujian, China.
| | - Jin-Shui Pan
- Department of Hepatology, the First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China.
- Hepatology Research Institute, Fujian Medical University, Fuzhou, Fujian, China.
- Department of Hepatology, National Regional Medical Center, Binhai Campus of the First Affiliated Hosptial, Fujian Medical University, Fuzhou, Fujian, China.
- Fujian Clinical Research Center for Hepatopathy and Intestinal Diseases, Fuzhou, Fujian, China.
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