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Rosochowicz MA, Kulcenty K, Suchorska WM. Exploring the Role of HtrA Family Genes in Cancer: A Systematic Review. Mol Diagn Ther 2024; 28:347-377. [PMID: 38717523 PMCID: PMC11211202 DOI: 10.1007/s40291-024-00712-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/26/2023] [Indexed: 06/28/2024]
Abstract
PURPOSE HtrA1, HtrA2, HtrA3 and HtrA4 appear to be involved in the development of pathologies such as cancer. This systematic review reports the results of a literature search performed to compare the expression of HtrA family genes and proteins in cancer versus non-cancer tissues and cell lines, assess relationships between HtrA expression and cancer clinical features in cancer, and analyse the molecular mechanism, by which HtrA family affects cancer. METHODS The literature search was conducted according to the PRISMA statement among four databases (PubMed, Web of Science, Embase and Scopus). RESULTS A total of 38 articles met the inclusion criteria and involved the expression of HtrA family members and concerned the effect of HtrA expression on cancer and metastasis development or on the factor that influences it. Additionally, 31 reports were retrieved manually. Most articles highlighted that HtrA1 and HtrA3 exhibited tumour suppressor activity, while HtrA2 was associated with tumour growth and metastasis. There were too few studies to clearly define the role of the HtrA4 protease in tumours. CONCLUSION Although the expression of serine proteases of the HtrA family was dependent on tumour type, stage and the presence of metastases, most articles indicated that HtrA1 and HtrA3 expression in tumours was downregulated compared with healthy tissue or cell lines. The expression of HtrA2 was completely study dependent. The limited number of studies on HtrA4 expression made it impossible to draw conclusions about differences in expression between healthy and tumour tissue. The conclusions drawn from the study suggest that HtrA1 and HtrA3 act as tumour suppressors.
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Affiliation(s)
- Monika Anna Rosochowicz
- Doctoral School, Poznan University of Medical Sciences, Poznan, Poland.
- Radiobiology Laboratory, Greater Poland Cancer Centre, Poznan, Poland.
- Department of Orthopaedics and Traumatology, Poznan University of Medical Sciences, Poznan, Poland.
| | | | - Wiktoria Maria Suchorska
- Radiobiology Laboratory, Greater Poland Cancer Centre, Poznan, Poland
- Department of Electroradiology, Poznan University of Medical Sciences, Poznan, Poland
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Zhang J, Qiao W, Luo Y. Mitochondrial quality control proteases and their modulation for cancer therapy. Med Res Rev 2023; 43:399-436. [PMID: 36208112 DOI: 10.1002/med.21929] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 09/04/2022] [Accepted: 09/26/2022] [Indexed: 02/05/2023]
Abstract
Mitochondria, the main provider of energy in eukaryotic cells, contains more than 1000 different proteins and is closely related to the development of cells. However, damaged proteins impair mitochondrial function, further contributing to several human diseases. Evidence shows mitochondrial proteases are critically important for protein maintenance. Most importantly, quality control enzymes exert a crucial role in the modulation of mitochondrial functions by degrading misfolded, aged, or superfluous proteins. Interestingly, cancer cells thrive under stress conditions that damage proteins, so targeting mitochondrial quality control proteases serves as a novel regulator for cancer cells. Not only that, mitochondrial quality control proteases have been shown to affect mitochondrial dynamics by regulating the morphology of optic atrophy 1 (OPA1), which is closely related to the occurrence and progression of cancer. In this review, we introduce mitochondrial quality control proteases as promising targets and related modulators in cancer therapy with a focus on caseinolytic protease P (ClpP), Lon protease (LonP1), high-temperature requirement protein A2 (HrtA2), and OMA-1. Further, we summarize our current knowledge of the advances in clinical trials for modulators of mitochondrial quality control proteases. Overall, the content proposed above serves to suggest directions for the development of novel antitumor drugs.
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Affiliation(s)
- Jiangnan Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
| | - Wenliang Qiao
- Lung Cancer Center, Laboratory of Lung Cancer, Western China Hospital of Sichuan University, Chengdu, China
| | - Youfu Luo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, Sichuan, China
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HtrA2 Independently Predicts Poor Prognosis and Correlates with Immune Cell Infiltration in Hepatocellular Carcinoma. JOURNAL OF ONCOLOGY 2023; 2023:4067418. [PMID: 36704205 PMCID: PMC9873461 DOI: 10.1155/2023/4067418] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 12/28/2022] [Accepted: 01/07/2023] [Indexed: 01/19/2023]
Abstract
High-temperature requirement protein A2 (HtrA2), a mitochondrial protein, is related to apoptosis regulation. However, the role of HtrA2 in hepatocellular carcinoma (HCC) remains unclear. In the present study, we explored the prognostic value and expression pattern of HtrA2 in HCC and confirmed its independent value for predicting outcomes via Cox analyses. LinkedOmics and GEPIA2 were used to construct the coexpression and functional networks of HtrA2. Additionally, the data obtained from TCGA was analyzed to investigate the relationship between the infiltration of immune cells and HtrA2 mRNA expression. Finally, the expression pattern of HtrA2 in HCC was confirmed by wet-lab experiments. The results showed high HtrA2 expression (P < 0.001) presented in tumor tissues in TCGA-HCC. Moreover, high HtrA2 expression was confirmed to be associated with poor HCC patient survival (P < 0.05). HtrA2 has also been recognized as an essential risk factor for overall survival (P=0.01, HR = 1.654, 95% CI 1.128-2.425), disease-specific survival (P=0.004, HR = 2.204, 95% CI 1.294-3.753), and progression-free interval (P=0.007, HR = 1.637, 95% CI 1.145-2.341) of HCC. HCC patients with low HtrA2 methylation had worse overall survival than patients with high methylation (P=0.0019). Functional network analysis suggests that HtrA2 regulates mitochondrial homeostasis through pathways involving multiple microRNAs and transcription factors in HCC. In addition, HtrA2 expression correlated with infiltrating levels of multiple immune cell populations. At last, increased expression of HtrA2 in HCC was confirmed using wet-lab experiments. Our study provides evidence that the upregulation of HtrA2 in HCC is an independent predictor of prognosis. Our results provide the foundation for further study on the roles of HtrA2 in HCC tumorigenesis.
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Wu L, Li X, Chen X, Wu F, Sun G, Cheng Y, Tang W, Zhang W, Lv C. mRNA microarray profiling identifies a novel circulating HTRA2 for detection of gastric cancer. J Clin Lab Anal 2021; 35:e24054. [PMID: 34708890 PMCID: PMC8649374 DOI: 10.1002/jcla.24054] [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: 08/10/2021] [Revised: 08/31/2021] [Accepted: 10/02/2021] [Indexed: 11/28/2022] Open
Abstract
Background mRNAs have been shown to be critical biomarkers or therapeutic targets for human diseases. However, only a few of them have been studied as blood‐based biomarkers for gastric carcinoma (GC) detection. Methods mRNA expression profiles for GC were screened using plasma samples from 10 GC patients with different TNM stages and 5 healthy individuals as controls. One candidate tumor‐related mRNA named HTRA2 was then evaluated in GC samples with quantitative real‐time polymerase chain reaction (qRT‐PCR). TCGAportal, UALCAN, and TISCH database were used to explore the function of HTRA2 in GC. Finally, the effect generated by HTRA2 expression on cell proliferating, invading, and migrating processes was assessed in vitro with knockdown and over‐expression strategies. Results HTRA2 displayed noticeable increase inside GC plasma compared with control cases. Higher expression of HTRA2 displayed a correlation to higher clinicopathological stage and worse prognosis. HTRA2 knocking down down‐regulated GC cells' proliferating, invading, and migrating states, while HTRA2 over‐expression exerted the inconsistent influence. HTRA2 protein, which may interact with PINK1, PARL, and CYCS, was mainly located in the mitochondria of cells and primarily involved cellular response and metabolic signaling pathway. Immune factors may interact with HTRA2 in GC, and HTRA2 was found noticeably linked with immunosuppressor such as CD274, IDO1, and TIGIT. Conclusion One plasma HTRA2 can be an emerging diagnosis‐related biomarker to achieve GC detecting process, but the particular regulatory effect still needs to be further explored.
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Affiliation(s)
- Liangliang Wu
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xiao Li
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xin Chen
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Fan Wu
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Guangshun Sun
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Ye Cheng
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Weiwei Tang
- Hepatobiliary/Liver Transplantation Center, Key Laboratory of Living Donor Transplantation, The First Affiliated Hospital of Nanjing Medical University, Chinese Academy of Medical Sciences, Nanjing, China
| | - Wenling Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chengyu Lv
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
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HtrA serine proteases in cancers: A target of interest for cancer therapy. Biomed Pharmacother 2021; 139:111603. [PMID: 34243596 DOI: 10.1016/j.biopha.2021.111603] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 04/05/2021] [Accepted: 04/12/2021] [Indexed: 11/20/2022] Open
Abstract
The HtrA protein family is composed by evolutionally-conserved serine proteases, which are homologous to the HtrA protein of the model bacterium Escherichia coli. They are widely distributed in organisms including humans, prokaryotes and eukaryotes. Moreover, HtrA family proteins are important regulators of a variety of human physiological processes, which contains the maintenance of mitochondrial homeostasis, cellular signal transduction and apoptosis regulation. The HtrA family has been found to be associated with cancer and could be used as a target for future cancer treatments. The purpose of this article is to review the relationship between these HtrA and cancer and to summarize the latest researches on HtrA and cancer.
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Gomez-Fabra Gala M, Vögtle FN. Mitochondrial proteases in human diseases. FEBS Lett 2021; 595:1205-1222. [PMID: 33453058 DOI: 10.1002/1873-3468.14039] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 12/15/2022]
Abstract
Mitochondria contain more than 1000 different proteins, including several proteolytic enzymes. These mitochondrial proteases form a complex system that performs limited and terminal proteolysis to build the mitochondrial proteome, maintain, and control its functions or degrade mitochondrial proteins and peptides. During protein biogenesis, presequence proteases cleave and degrade mitochondrial targeting signals to obtain mature functional proteins. Processing by proteases also exerts a regulatory role in modulation of mitochondrial functions and quality control enzymes degrade misfolded, aged, or superfluous proteins. Depending on their different functions and substrates, defects in mitochondrial proteases can affect the majority of the mitochondrial proteome or only a single protein. Consequently, mutations in mitochondrial proteases have been linked to several human diseases. This review gives an overview of the components and functions of the mitochondrial proteolytic machinery and highlights the pathological consequences of dysfunctional mitochondrial protein processing and turnover.
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Affiliation(s)
- Maria Gomez-Fabra Gala
- Institute of Biochemistry and Molecular Biology, ZBMZ, Faculty of Medicine, University of Freiburg, Germany.,Faculty of Biology, University of Freiburg, Germany.,Spemann Graduate School of Biology and Medicine, University of Freiburg, Germany
| | - Friederike-Nora Vögtle
- Institute of Biochemistry and Molecular Biology, ZBMZ, Faculty of Medicine, University of Freiburg, Germany.,CIBSS-Centre for Integrative Biological Signalling Studies, University of Freiburg, Germany
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Abdel Ghafar MT, Gharib F, Al-Ashmawy GM, Mariah RA. Serum high-temperature-required protein A2: A potential biomarker for the diagnosis of breast cancer. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2020.100706] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Zurawa-Janicka D, Kobiela J, Slebioda T, Peksa R, Stanislawowski M, Wierzbicki PM, Wenta T, Lipinska B, Kmiec Z, Biernat W, Lachinski AJ, Sledzinski Z. Expression of HTRA Genes and Its Association with Microsatellite Instability and Survival of Patients with Colorectal Cancer. Int J Mol Sci 2020; 21:E3947. [PMID: 32486357 PMCID: PMC7312515 DOI: 10.3390/ijms21113947] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 05/28/2020] [Indexed: 02/07/2023] Open
Abstract
HtrA proteases regulate cellular homeostasis and cell death. Their dysfunctions have been correlated with oncogenesis and response to therapeutic treatment. We investigated the relation between HtrA1-3 expression and clinicopathological, and survival data, as well as the microsatellite status of tumors. Sixty-five colorectal cancer patients were included in the study. The expression of HTRA1-3 was estimated at the mRNA and protein levels by quantitative PCR and immunoblotting. Microsatellite status was determined by high-resolution-melting PCR. We found that the HTRA1 mRNA level was higher in colorectal cancer tissue as compared to the unchanged mucosa, specifically in primary lesions of metastasizing cancer. The levels of HtrA1 and HtrA2 proteins were reduced in tumor tissue when compared to unchanged mucosa, specifically in primary lesions of metastasizing disease. Moreover, a decrease in HTRA1 and HTRA2 transcripts' levels in cancers with a high level of microsatellite instability compared to microsatellite stable ones has been observed. A low level of HtrA1 or/and HtrA2 in cancer tissue correlated with poorer patient survival. The expression of HTRA1 and HTRA2 changes during colorectal carcinogenesis and microsatellite instability may be, at least partially, associated with these changes. The alterations in the HTRA1/2 genes' expression are connected with metastatic potential of colorectal cancer and may affect patient survival.
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Affiliation(s)
- Dorota Zurawa-Janicka
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland; (T.W.); (B.L.)
| | - Jarek Kobiela
- Department of General, Endocrine and Transplant Surgery, Faculty of Medicine, Medical University of Gdansk, Mariana Smoluchowskiego 17, 80-214 Gdansk, Poland; (J.K.); (A.J.L.); (Z.S.)
| | - Tomasz Slebioda
- Department of Histology, Faculty of Medicine, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland; (T.S.); (M.S.); (P.M.W.); (Z.K.)
| | - Rafal Peksa
- Department of Pathomorphology, Faculty of Medicine, Medical University of Gdansk, Mariana Smoluchowskiego 17, 80-214 Gdansk, Poland; (R.P.); (W.B.)
| | - Marcin Stanislawowski
- Department of Histology, Faculty of Medicine, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland; (T.S.); (M.S.); (P.M.W.); (Z.K.)
| | - Piotr Mieczyslaw Wierzbicki
- Department of Histology, Faculty of Medicine, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland; (T.S.); (M.S.); (P.M.W.); (Z.K.)
| | - Tomasz Wenta
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland; (T.W.); (B.L.)
| | - Barbara Lipinska
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland; (T.W.); (B.L.)
| | - Zbigniew Kmiec
- Department of Histology, Faculty of Medicine, Medical University of Gdansk, Debinki 1, 80-211 Gdansk, Poland; (T.S.); (M.S.); (P.M.W.); (Z.K.)
| | - Wojciech Biernat
- Department of Pathomorphology, Faculty of Medicine, Medical University of Gdansk, Mariana Smoluchowskiego 17, 80-214 Gdansk, Poland; (R.P.); (W.B.)
| | - Andrzej Jacek Lachinski
- Department of General, Endocrine and Transplant Surgery, Faculty of Medicine, Medical University of Gdansk, Mariana Smoluchowskiego 17, 80-214 Gdansk, Poland; (J.K.); (A.J.L.); (Z.S.)
| | - Zbigniew Sledzinski
- Department of General, Endocrine and Transplant Surgery, Faculty of Medicine, Medical University of Gdansk, Mariana Smoluchowskiego 17, 80-214 Gdansk, Poland; (J.K.); (A.J.L.); (Z.S.)
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Lv Q, Yu S, Quan F, He C, Chen X. Thermosensitive Polypeptide Hydrogels Co‐Loaded with Two Anti‐Tumor Agents to Reduce Multi‐Drug Resistance and Enhance Local Tumor Treatment. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.201900165] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Qiang Lv
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 P. R. China
| | - Shuangjiang Yu
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 P. R. China
- College of Material, Chemistry and Chemical EngineeringHangzhou Normal University Hangzhou 311121 P. R. China
| | - Fenli Quan
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 P. R. China
| | - Chaoliang He
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 P. R. China
| | - Xuesi Chen
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied ChemistryChinese Academy of Sciences Changchun 130022 P. R. China
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Abstract
The purpose of this study was to detect the expression of high-temperature requirement A2 (HtrA2) and its diagnostic value in the patients with hepatocellular carcinoma (HCC).The relative serum HtrA2 expression at mRNA and protein level was severally detected by quantitative real-time polymerase chain reaction and western blot analysis in 198 HCC patients and 48 healthy controls. And its association with clinicopathological features was analyzed by chi-square test. The diagnostic value of HtrA2 expression was estimated by establishing a receiver operating characteristic (ROC) curve.Serum HtrA2 was significantly higher in patients with HCC than that in healthy controls both at mRNA and protein levels (P < .05 for both). In addition, the high HtrA2 expression was associated with large tumor size and advanced clinical stage. Furthermore, the value of the area under the ROC curve was 0.808 corresponding with a sensitivity of 65.2% and a specificity of 89.6%, revealed that HtrA2 might be a diagnostic biomarker in HCC.HtrA2 is upregulated and considered to be a potential biomarker for the diagnosis of patients with HCC.
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Affiliation(s)
| | | | - Furong Hao
- Department of Radiotherapy, Weifang People's Hospital, Weifang 261041, Shandong, China
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Soyama H, Miyamoto M, Takano M, Aoyama T, Matsuura H, Sakamoto T, Takasaki K, Kuwahara M, Kato K, Yoshikawa T, Iwahashi H, Tsuda H, Furuya K. Ovarian serous carcinomas acquire cisplatin resistance and increased invasion through downregulation of the high-temperature-required protein A2 (HtrA2), following repeated treatment with cisplatin. Med Oncol 2017; 34:201. [DOI: 10.1007/s12032-017-1058-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 11/16/2017] [Indexed: 01/27/2023]
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Zurawa-Janicka D, Wenta T, Jarzab M, Skorko-Glonek J, Glaza P, Gieldon A, Ciarkowski J, Lipinska B. Structural insights into the activation mechanisms of human HtrA serine proteases. Arch Biochem Biophys 2017; 621:6-23. [PMID: 28396256 DOI: 10.1016/j.abb.2017.04.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/05/2017] [Accepted: 04/06/2017] [Indexed: 12/21/2022]
Abstract
Human HtrA1-4 proteins belong to the HtrA family of evolutionarily conserved serine proteases and function as important modulators of many physiological processes, including maintenance of mitochondrial homeostasis, cell signaling and apoptosis. Disturbances in their action are linked to severe diseases, including oncogenesis and neurodegeneration. The HtrA1-4 proteins share structural and functional features of other members of the HtrA protein family, however there are several significant differences in structural architecture and mechanisms of action which makes each of them unique. Our goal is to present recent studies regarding human HtrAs. We focus on their physiological functions, structure and regulation, and describe current models of activation mechanisms. Knowledge of molecular basis of the human HtrAs' action is a subject of great interest; it is crucial for understanding their relevance in cellular physiology and pathogenesis as well as for using them as targets in future therapies of diseases such as neurodegenerative disorders and cancer.
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Affiliation(s)
- Dorota Zurawa-Janicka
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland.
| | - Tomasz Wenta
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Miroslaw Jarzab
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Joanna Skorko-Glonek
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Przemyslaw Glaza
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
| | - Artur Gieldon
- Department of Theoretical Chemistry, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland
| | - Jerzy Ciarkowski
- Department of Theoretical Chemistry, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland
| | - Barbara Lipinska
- Department of General and Medical Biochemistry, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland
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