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Andeen NK, Kung VL, Avasare RS. NELL1 membranous nephropathy: clinical associations provide mechanistic clues. FRONTIERS IN NEPHROLOGY 2024; 4:1323432. [PMID: 38596642 PMCID: PMC11002321 DOI: 10.3389/fneph.2024.1323432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 03/04/2024] [Indexed: 04/11/2024]
Abstract
Neural epidermal growth factor-like 1 (NELL1) membranous nephropathy (MN) is notable for its segmental deposit distribution, IgG1 dominant deposits, and comparatively high rate of spontaneous remission. It has been associated with a variety of exposures and secondary conditions, specifically use of thiol-containing medications - including lipoic acid, bucillamine, and tiopronin - as well as traditional indigenous medications (TIM) particularly those with high mercury content, and non-steroid anti-inflammatory drugs (NSAIDs). Malignancies, graft vs. host disease (GVHD), infection, and autoimmune conditions have also been associated with NELL1 MN. Herein, we provide a detailed summary of the clinicopathologic features of NELL1 and associations with underlying conditions, with a focus on treatment and outcomes. Rare cases of dual NELL1 and phospholipase A2 receptor (PLA2R) positive MN are reviewed. Genome-wide association study of NELL1, role of NELL1 in other physiologic and pathologic processes, and connection between NELL1 MN and malignancy with relevance of NELL1 tumor staining are examined. Finally, relationships and potential disease mechanisms of thiol- and mercury- associated NELL1 MN are discussed.
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Affiliation(s)
- Nicole K. Andeen
- Department of Pathology and Laboratory Medicine, Oregon Health & Science University, Portland, OR, United States
| | - Vanderlene L. Kung
- Department of Pathology and Laboratory Medicine, Oregon Health & Science University, Portland, OR, United States
| | - Rupali S. Avasare
- Department of Medicine, Division of Nephrology and Hypertension, Oregon Health & Science University, Portland, OR, United States
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Ha P, Kwak JH, Zhang Y, Shi J, Tran L, Liu TP, Pan HC, Lee S, Kim JK, Chen E, Shirazi-Fard Y, Stodieck LS, Lin A, Zheng Z, Dong SN, Zhang X, Wu BM, Ting K, Soo C. Bisphosphonate conjugation enhances the bone-specificity of NELL-1-based systemic therapy for spaceflight-induced bone loss in mice. NPJ Microgravity 2023; 9:75. [PMID: 37723136 PMCID: PMC10507033 DOI: 10.1038/s41526-023-00319-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 08/18/2023] [Indexed: 09/20/2023] Open
Abstract
Microgravity-induced bone loss results in a 1% bone mineral density loss monthly and can be a mission critical factor in long-duration spaceflight. Biomolecular therapies with dual osteogenic and anti-resorptive functions are promising for treating extreme osteoporosis. We previously confirmed that NELL-like molecule-1 (NELL-1) is crucial for bone density maintenance. We further PEGylated NELL-1 (NELL-polyethylene glycol, or NELL-PEG) to increase systemic delivery half-life from 5.5 to 15.5 h. In this study, we used a bio-inert bisphosphonate (BP) moiety to chemically engineer NELL-PEG into BP-NELL-PEG and specifically target bone tissues. We found conjugation with BP improved hydroxyapatite (HA) binding and protein stability of NELL-PEG while preserving NELL-1's osteogenicity in vitro. Furthermore, BP-NELL-PEG showed superior in vivo bone specificity without observable pathology in liver, spleen, lungs, brain, heart, muscles, or ovaries of mice. Finally, we tested BP-NELL-PEG through spaceflight exposure onboard the International Space Station (ISS) at maximal animal capacity (n = 40) in a long-term (9 week) osteoporosis therapeutic study and found that BP-NELL-PEG significantly increased bone formation in flight and ground control mice without obvious adverse health effects. Our results highlight BP-NELL-PEG as a promising therapeutic to mitigate extreme bone loss from long-duration microgravity exposure and musculoskeletal degeneration on Earth, especially when resistance training is not possible due to incapacity (e.g., bone fracture, stroke).
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Affiliation(s)
- Pin Ha
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Jin Hee Kwak
- Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, 90089, USA
| | - Yulong Zhang
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Forsyth Institute, Cambridge, MA, 02142, USA
| | - Jiayu Shi
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Luan Tran
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Timothy Pan Liu
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Hsin-Chuan Pan
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Samantha Lee
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Jong Kil Kim
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Eric Chen
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Yasaman Shirazi-Fard
- Space Biosciences Division, NASA Ames Research Center, Moffett Field, CA, 94035, USA
| | - Louis S Stodieck
- BioServe Space Technologies and Aerospace Engineering Sciences, University of Colorado, Boulder, CO, 80303, USA
| | - Andy Lin
- Office of Advanced Research Computing, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Zhong Zheng
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Stella Nuo Dong
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Xinli Zhang
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Benjamin M Wu
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Forsyth Institute, Cambridge, MA, 02142, USA.
- School of Dentistry, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
| | - Kang Ting
- Forsyth Institute, Cambridge, MA, 02142, USA.
| | - Chia Soo
- Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Science, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
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Markelova M, Senina A, Khusnutdinova D, Siniagina M, Kupriyanova E, Shakirova G, Odintsova A, Abdulkhakov R, Kolesnikova I, Shagaleeva O, Lyamina S, Abdulkhakov S, Zakharzhevskaya N, Grigoryeva T. Association between Taxonomic Composition of Gut Microbiota and Host Single Nucleotide Polymorphisms in Crohn's Disease Patients from Russia. Int J Mol Sci 2023; 24:ijms24097998. [PMID: 37175705 PMCID: PMC10178390 DOI: 10.3390/ijms24097998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 04/25/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
Crohn's disease (CD) is a chronic relapsing inflammatory bowel disease of unknown etiology. Genetic predisposition and dysbiotic gut microbiota are important factors in the pathogenesis of CD. In this study, we analyzed the taxonomic composition of the gut microbiota and genotypes of 24 single nucleotide polymorphisms (SNP) associated with the risk of CD. The studied cohorts included 96 CD patients and 24 healthy volunteers from Russia. Statistically significant differences were found in the allele frequencies for 8 SNPs and taxonomic composition of the gut microbiota in CD patients compared with controls. In addition, two types of gut microbiota communities were identified in CD patients. The main distinguishing driver of bacterial families for the first community type are Bacteroidaceae and unclassified members of the Clostridiales order, and the second type is characterized by increased abundance of Streptococcaceae and Enterobacteriaceae. Differences in the allele frequencies of the rs9858542 (BSN), rs3816769 (STAT3), and rs1793004 (NELL1) were also found between groups of CD patients with different types of microbiota communities. These findings confirm the complex multifactorial nature of CD.
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Affiliation(s)
- Maria Markelova
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Anastasia Senina
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Dilyara Khusnutdinova
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Maria Siniagina
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Elena Kupriyanova
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | | | | | - Rustam Abdulkhakov
- Hospital Therapy Department, Kazan State Medical University, 420012 Kazan, Russia
| | - Irina Kolesnikova
- Lopukhin Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
| | - Olga Shagaleeva
- Lopukhin Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
| | - Svetlana Lyamina
- Molecular Pathology of Digestion Laboratory, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, 127473 Moscow, Russia
| | - Sayar Abdulkhakov
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Natalia Zakharzhevskaya
- Lopukhin Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 119435 Moscow, Russia
| | - Tatiana Grigoryeva
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
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