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Sogore T, Guo M, Sun N, Jiang D, Shen M, Ding T. Microbiological and chemical hazards in cultured meat and methods for their detection. Compr Rev Food Sci Food Saf 2024; 23:e13392. [PMID: 38865212 DOI: 10.1111/1541-4337.13392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/23/2024] [Accepted: 05/19/2024] [Indexed: 06/14/2024]
Abstract
Cultured meat, which involves growing meat in a laboratory rather than breeding animals, offers potential benefits in terms of sustainability, health, and animal welfare compared to conventional meat production. However, the cultured meat production process involves several stages, each with potential hazards requiring careful monitoring and control. Microbial contamination risks exist in the initial cell collection from source animals and the surrounding environment. During cell proliferation, hazards may include chemical residues from media components such as antibiotics and growth factors, as well as microbial issues from improper bioreactor sterilization. In the differentiation stage where cells become muscle tissue, potential hazards include residues from scaffolding materials, microcarriers, and media components. Final maturation and harvesting stages risk environmental contamination from nonsterile conditions, equipment, or worker handling if proper aseptic conditions are not maintained. This review examines the key microbiological and chemical hazards that must be monitored and controlled during the manufacturing process for cultured meats. It describes some conventional and emerging novel techniques that could be applied for the detection of microbial and chemical hazards in cultured meat. The review also outlines the current evolving regulatory landscape around cultured meat and explains how thorough detection and characterization of microbiological and chemical hazards through advanced analytical techniques can provide crucial data to help develop robust, evidence-based food safety regulations specifically tailored for the cultured meat industry. Implementing new digital food safety methods is recommended for further research on the sensitive and effective detection of microbiological and chemical hazards in cultured meat.
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Affiliation(s)
- Tahirou Sogore
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Meimei Guo
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Na Sun
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Donglei Jiang
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing, China
| | - Mofei Shen
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Zhongyuan Institute, Zhejiang University, Zhengzhou, China
| | - Tian Ding
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing, China
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Choi HJ, Kim MY, Han HJ. Safety evaluation of a buffer used in the lyophilization of canine platelets: type I hypersensitivity reaction in dogs caused by bovine serum albumin. Front Vet Sci 2024; 11:1344037. [PMID: 38410739 PMCID: PMC10895064 DOI: 10.3389/fvets.2024.1344037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 01/26/2024] [Indexed: 02/28/2024] Open
Abstract
Introduction The present study was designed to evaluate the safety of substances generally used in the preparation of lyophilized platelet products (LPPs) because the possibility of an immune response to bovine serum albumin (BSA) was considered high when using previously described technology. Methods An intradermal skin test, followed by a drug provocation test, was conducted to observe adverse events and identify the substances responsible for an immune response. Five male beagles (2 years old) weighing 12-14 kg were used. The dogs were clinically healthy and had no history of medication use. An intradermal skin test was conducted with each substance [i.e., 4-(2-hydroxyethyl)-1-piperazine ethanesulfonic acid, sodium chloride, potassium chloride, sodium bicarbonate, theophylline, trehalose, and BSA] used in the conventional freeze-dry method. Results In the intradermal skin test, three dogs tested positive at the BSA injection site and showed clinical signs after the intradermal injection, including nausea and vomiting. For the drug provocation test, all dogs received two intravenous injections of an LPP buffer solution. The initial injection was devoid of BSA, whereas the subsequent injection contained BSA. The three dogs that had reacted to BSA in the intradermal skin test exhibited adverse events such as lethargy, vomiting, and nausea immediately after intravenous injection of the LPP buffer containing BSA. All dogs recovered uneventfully after symptomatic treatment in both tests. Discussion The high incidence and severity of type I hypersensitivity reactions observed in this study suggested that BSA is unsuitable as a component of canine LPP.
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Affiliation(s)
- Hee-Jae Choi
- Department of Veterinary Emergency and Critical Care, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Mu-Young Kim
- Department of Veterinary Surgery, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Hyun-Jung Han
- Department of Veterinary Emergency and Critical Care, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
- KU Center for Animal Blood Medical Science, Konkuk University, Seoul, Republic of Korea
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Liu Z, Trifonova D, Tulaeva I, Riabova K, Karsonova A, Kozlov E, Elisyutina O, Khaitov M, Focke-Tejkl M, Chen TH, Karaulov A, Valenta R. Albumins represent highly cross-reactive animal allergens. Front Immunol 2023; 14:1241518. [PMID: 37928538 PMCID: PMC10623431 DOI: 10.3389/fimmu.2023.1241518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 09/20/2023] [Indexed: 11/07/2023] Open
Abstract
Albumins from animals are highly cross-reactive allergens for patients suffering from immunoglobulin E (IgE)-mediated allergy. Approximately 20-30% of cat and dog allergic patients show IgE reactivity and mount IgE-mediated allergic reactions to cat and dog albumin. It is astonishing that allergic patients can develop specific IgE responses against animal albumins because these proteins exhibit a more than 70% sequence identity to human serum albumin (HSA) which is the most abundant protein in the blood of the human body. The sequence identity of cat albumin (Fel d 2) and dog albumin (Can f 3) and HSA are 82% and 80%, respectively. Given the high degree of sequence identity between the latter two allergens and HSA one would expect that immunological tolerance would prohibit IgE sensitization to Fel d 2 and Can f 3. Here we discuss two possibilities for how IgE sensitization to Fel d 2 and Can f 3 may develop. One possibility is the failed development of immune tolerance in albumin-allergic patients whereas the other possibility is highly selective immune tolerance to HSA but not to Fel d 2 and Can f 3. If the first assumption is correct it should be possible to detect HSA-specific T cell responses and HSA-containing immune complexes in sensitized patients. In the latter scenario few differences in the sequences of Fel d 2 and Can f 3 as compared to HSA would be responsible for the development of selective T cell and B cell responses towards Fel d 2 as well as Can f 3. However, the immunological mechanisms of albumin sensitization have not yet been investigated in detail although this will be important for the development of allergen-specific prevention and allergen-specific immunotherapy (AIT) strategies for allergy to albumin.
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Affiliation(s)
- Zicheng Liu
- Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Daria Trifonova
- Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
- Laboratory for Immunopathology, Department of Clinical Immunology and Allergology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Inna Tulaeva
- Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
- Laboratory for Immunopathology, Department of Clinical Immunology and Allergology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Ksenja Riabova
- Laboratory for Immunopathology, Department of Clinical Immunology and Allergology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Antonina Karsonova
- Laboratory for Immunopathology, Department of Clinical Immunology and Allergology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Evgeny Kozlov
- Laboratory for Immunopathology, Department of Clinical Immunology and Allergology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Olga Elisyutina
- National Research Center, NRCI Institute of Immunology, Federal Medical-Biological Agency (FMBA) of Russia, Moscow, Russia
- RUDN University, Moscow, Russia
| | - Musa Khaitov
- National Research Center, NRCI Institute of Immunology, Federal Medical-Biological Agency (FMBA) of Russia, Moscow, Russia
- Pirogov Russian National Research Medical University, Moscow, Russia
| | - Margarete Focke-Tejkl
- Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
- Karl Landsteiner University of Healthcare, Krems, Austria
| | | | - Alexander Karaulov
- Laboratory for Immunopathology, Department of Clinical Immunology and Allergology, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Rudolf Valenta
- Division of Immunopathology, Department of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
- Laboratory for Immunopathology, Department of Clinical Immunology and Allergology, Sechenov First Moscow State Medical University, Moscow, Russia
- National Research Center, NRCI Institute of Immunology, Federal Medical-Biological Agency (FMBA) of Russia, Moscow, Russia
- Karl Landsteiner University of Healthcare, Krems, Austria
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Mahler V, Junker AC. Anaphylaxis to additives in vaccines. ALLERGO JOURNAL INTERNATIONAL 2022; 31:123-136. [PMID: 35729887 PMCID: PMC9194891 DOI: 10.1007/s40629-022-00215-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 05/01/2022] [Indexed: 11/28/2022]
Abstract
SummaryAnaphylaxis in connection with the administration of vaccines occurs only very rarely. Triggers of immunoglobulin IgE-mediated and non-IgE-mediated anaphylaxis—in addition to the active ingredient itself—may be excipients contained in the vaccine due to their special properties. Some of the excipients in medicinal products are the same compounds used as additives in food. Furthermore, residues from the manufacturing process (e.g., chicken egg white, casein, antibiotics, formaldehyde) or contaminants (e.g., from the primary packaging material) may be potential triggers of anaphylaxis in vaccines. This review article provides an overview of ingredients in vaccines that pose an allergenic risk potential. The components of COVID-19 vaccines approved and marketed in Germany are discussed with regard to their potential for triggering anaphylaxis and possible pathophysiological mechanisms involved.
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Affiliation(s)
- Vera Mahler
- Paul-Ehrlich-Institut, Paul-Ehrlich-Straße 51–59, 63225 Langen, Germany
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Mahler V, Junker AC. Anaphylaxie auf Zusatzstoffe in Impfstoffen. ALLERGO JOURNAL 2022; 31:22-39. [PMID: 35911653 PMCID: PMC9309021 DOI: 10.1007/s15007-022-5054-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Anaphylaxien im zeitlichen Zusammenhang mit der Verabreichung von Impfstoffen treten nur sehr selten auf. Auslöser von IgE-vermittelten und nicht IgE-vermittelten Anaphylaxien können neben dem Wirkstoff selbst Hilfsstoffe sein, die aufgrund spezieller Eigenschaften im Impfstoff enthalten sind. Bei den Hilfsstoffen in Arzneimitteln handelt es sich teilweise um dieselben Verbindungen, die als Zusatzstoffe in Lebensmitteln eingesetzt werden. Weiterhin kommen in Impfstoffen Rückstände aus dem Herstellungsprozess (z. B. Hühnereiweiß, Kasein, Antibiotika, Formaldehyd) oder Kontaminationen (z. B. aus dem Primärpackmittel) als potenzielle Auslöser von Anaphylaxien in Frage. Der vorliegende Review gibt einen Überblick über Bestandteile in Impfstoffen, von denen ein allergenes Risikopotenzial ausgeht. Die Bestandteile der in Deutschland zugelassenen COVID-19-Impfstoffe als potenzielle Auslöser von Anaphylaxien und mögliche pathophysiologische Mechanismen werden diskutiert. Zitierweise: Mahler V, Junker AC. Anaphylaxis to additives in vaccines. Allergo J Int 2022;31: 123-36 https://doi.org/10.1007/s40629-022-00215-8
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Affiliation(s)
- Vera Mahler
- Leitung Abt. Allergologie, Paul-Ehrlich-Institut, Paul-Ehrlich-Str. 51-59, 63225 Langen, Germany
| | - Ann-Christine Junker
- Leitung Abt. Allergologie, Paul-Ehrlich-Institut, Paul-Ehrlich-Str. 51-59, 63225 Langen, Germany
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State-of-the-Art on Biomarkers for Anaphylaxis in Obstetrics. Life (Basel) 2021; 11:life11090870. [PMID: 34575019 PMCID: PMC8467046 DOI: 10.3390/life11090870] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/21/2021] [Accepted: 08/23/2021] [Indexed: 12/25/2022] Open
Abstract
Anaphylaxis is an unpredictable systemic hypersensitivity reaction and constitutes a high risk of maternal and fetal morbidity and mortality when occurring during pregnancy. Currently, the acute management of anaphylaxis is based on clinical parameters. A total serum tryptase is only used to support an accurate diagnosis. There is a need to detect other biomarkers to further assess high-risk patients in obstetrics. Our objective is to present biomarkers in this complex interdisciplinary approach beyond obstetrician and anaesthetic management. Candidate biomarkers derive either from mediators involved in immunopathogenesis or upcoming molecules from systems biology and proteomics. Serum tryptase is determined by singleplex immunoassay method and is important in the evaluation of anaphylactic mast cell degranulation but also in the assessment of other risk factors for anaphylaxis such as systemic mastocytosis. Another category of biomarkers investigates the IgE-mediated sensitization to triggers potentially involved in the etiology of anaphylaxis in pregnant women, using singleplex or multiplex immunoassays. These in vitro tests with natural extracts from foods, venoms, latex or drugs, as well as with molecular allergen components, are useful because in vivo allergy tests cannot be performed on pregnant women in such a major medical emergency due to their additional potential risk of anaphylaxis.
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Popescu FD, Ganea CS, Panaitescu C, Vieru M. Molecular diagnosis in cat allergy. World J Methodol 2021; 11:46-60. [PMID: 34026578 PMCID: PMC8127422 DOI: 10.5662/wjm.v11.i3.46] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 02/22/2021] [Accepted: 05/10/2021] [Indexed: 02/06/2023] Open
Abstract
Domestic cats represent one of the most common sources of indoor allergens. All over the world, many households own cats, whose allergens are persistent and widespread. Cat allergy itself is frequent, and its symptoms vary from rhinoconjunctivitis to life-threatening asthma. In vitro diagnosis using precision medicine allergy immunoassays is important because natural cat dander extracts may differ in quality and quantity of some of the individual allergen components and other molecules. In the component-resolved diagnosis of cat allergy, singleplex and multiplex specific immunoglobulin (Ig) E assays include use of the cat-specific major allergen, secretoglobin Fel d 1 (as a species-specific molecule), other allergen components (such as lipocalins Fel d 4, cross-reacting with other animal similar molecules, and Fel d 7, present in small quantities in natural extracts), and serum albumin Fel d 2 (related to the cat-pork syndrome). IgA Fel d 5 and IgM Fel d 6 are not available as allergen components in the current commercial IgE immunoassays, but they may impair the in vitro diagnostic evaluation of cat allergy because galactose-α1,3-galactose is an IgE-binding epitope of these native feline allergens. The benefits of molecular-based cat allergy diagnosis are continually evaluated, as the role of recombinant allergen components already known is detailed and new other molecules of interest may be discovered in the future.
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Affiliation(s)
- Florin-Dan Popescu
- Department of Allergology and Clinical Immunology, “Nicolae Malaxa” Clinical Hospital, Bucharest 022441, Romania
- Department of Allergology, “Carol Davila” University of Medicine and Pharmacy, Bucharest 022441, Romania
| | - Carmen Saviana Ganea
- Department of Allergology and Clinical Immunology, “Nicolae Malaxa” Clinical Hospital, Bucharest 022441, Romania
| | - Carmen Panaitescu
- Department III Functional Sciences, Physiology Discipline, “Victor Babes” University of Medicine and Pharmacy, Timișoara 300041, Romania
- Center for Gene and Cell Therapies in Cancer Treatment OncoGen-SCJUPB Timisoara, Timișoara 300041, Romania
| | - Mariana Vieru
- Department of Allergology and Clinical Immunology, “Nicolae Malaxa” Clinical Hospital, Bucharest 022441, Romania
- Department of Allergology, “Carol Davila” University of Medicine and Pharmacy, Bucharest 022441, Romania
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Luo J, Lin Y, Shi X, Li G, Kural MH, Anderson CW, Ellis MW, Riaz M, Tellides G, Niklason LE, Qyang Y. Xenogeneic-free generation of vascular smooth muscle cells from human induced pluripotent stem cells for vascular tissue engineering. Acta Biomater 2021; 119:155-168. [PMID: 33130306 PMCID: PMC8168373 DOI: 10.1016/j.actbio.2020.10.042] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 10/22/2020] [Accepted: 10/27/2020] [Indexed: 01/30/2023]
Abstract
Development of mechanically advanced tissue-engineered vascular grafts (TEVGs) from human induced pluripotent stem cell (hiPSC)-derived vascular smooth muscle cells (hiPSC-VSMCs) offers an innovative approach to replace or bypass diseased blood vessels. To move current hiPSC-TEVGs toward clinical application, it is essential to obtain hiPSC-VSMC-derived tissues under xenogeneic-free conditions, meaning without the use of any animal-derived reagents. Many approaches in VSMC differentiation of hiPSCs have been reported, although a xenogeneic-free method for generating hiPSC-VSMCs suitable for vascular tissue engineering has yet to be established. Based on our previously established standard method of xenogeneic VSMC differentiation, we have replaced all animal-derived reagents with functional counterparts of human origin and successfully derived functional xenogeneic-free hiPSC-VSMCs (XF-hiPSC-VSMCs). Next, our group developed tissue rings via cellular self-assembly from XF-hiPSC-VSMCs, which exhibited comparable mechanical strength to those developed from xenogeneic hiPSC-VSMCs. Moreover, by seeding XF-hiPSC-VSMCs onto biodegradable polyglycolic acid (PGA) scaffolds, we generated engineered vascular tissues presenting effective collagen deposition which were suitable for implantation into an immunodeficient mice model. In conclusion, our xenogeneic-free conditions for generating hiPSC-VSMCs produce cells with the comparable capacity for vascular tissue engineering as standard xenogeneic protocols, thereby moving the hiPSC-TEVG technology one step closer to safe and efficacious clinical translation.
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Affiliation(s)
- Jiesi Luo
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale School of Medicine, New Haven, CT 06511, USA; Yale Stem Cell Center, New Haven, CT 06520, USA
| | - Yuyao Lin
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale School of Medicine, New Haven, CT 06511, USA; Yale Stem Cell Center, New Haven, CT 06520, USA; Department of Cardiovascular Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Xiangyu Shi
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale School of Medicine, New Haven, CT 06511, USA; Yale Stem Cell Center, New Haven, CT 06520, USA; Department of Cardiovascular Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Guangxin Li
- Department of Surgery, Yale University, New Haven, CT 06520, USA; Department of Vascular Surgery, The First Hospital of China Medical University, Shenyang, 110122, China
| | - Mehmet H Kural
- Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Anesthesiology, Yale University, New Haven, CT 06519, USA
| | - Christopher W Anderson
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale School of Medicine, New Haven, CT 06511, USA; Yale Stem Cell Center, New Haven, CT 06520, USA; Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Pathology, Yale School of Medicine, New Haven, CT, 06520 USA
| | - Matthew W Ellis
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale School of Medicine, New Haven, CT 06511, USA; Yale Stem Cell Center, New Haven, CT 06520, USA; Department of Cellular and Molecular Physiology, Yale University, New Haven, CT 06519, USA
| | - Muhammad Riaz
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale School of Medicine, New Haven, CT 06511, USA; Yale Stem Cell Center, New Haven, CT 06520, USA
| | - George Tellides
- Department of Surgery, Yale University, New Haven, CT 06520, USA; Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Laura E Niklason
- Yale Stem Cell Center, New Haven, CT 06520, USA; Department of Surgery, Yale University, New Haven, CT 06520, USA; Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Anesthesiology, Yale University, New Haven, CT 06519, USA
| | - Yibing Qyang
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine Yale School of Medicine, New Haven, CT 06511, USA; Yale Stem Cell Center, New Haven, CT 06520, USA; Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Pathology, Yale School of Medicine, New Haven, CT, 06520 USA.
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Adamczak R, Ukleja-Sokołowska N, Bartuzi Z. Fertility and allergy: Is there a correlation? POSTEP HIG MED DOSW 2019. [DOI: 10.5604/01.3001.0013.4536] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Approximately 10% of couples have difficulties conceiving. Idiopathic infertility affects 10–15% of infertile couples. Some suspected causes of idiopathic infertility are lifestyle factors such as stress, diet, smoking, obesity, lack of physical exercise and alcohol consumption. At the same time, allergies and bronchial asthma are growing health problems in developed countries. Therefore, this study addresses the possible correlation between atopic diseases and fertility.
Several interesting cases of patients presenting symptoms of HSPH (human seminal plasma hypersensitivity) have been reported to date. In the majority of cases, allergy to semen is the IgE-dependent response to proteins contained in the seminal plasma. Observations indicating that patients presenting symptoms of HSPH are primarily allergic to allergens of dogs are particularly interesting. The structure of dog allergen Can f 5 is similar to the human PSA (55–60% similarity in the sequence of amino acids). This may explain the presence of IgE-dependent reactions following contact with semen during sexual intercourse in women allergic to dog fur.
This article presents the current state of knowledge on the phenomenon.
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Affiliation(s)
- Rafał Adamczak
- Department of Obstetrics and Gynaecology, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Natalia Ukleja-Sokołowska
- Department and Clinic of Allergology, Clinical Immunology and Internal Medicine, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Zbigniew Bartuzi
- Department and Clinic of Allergology, Clinical Immunology and Internal Medicine, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Bydgoszcz, Poland
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Schaefer S, Hassa PO, Sieber-Ruckstuhl NS, Piechotta M, Reusch CE, Roschitzki B, Boretti FS. Characterization of recombinant human and bovine thyroid-stimulating hormone preparations by mass spectrometry and determination of their endotoxin content. BMC Vet Res 2013; 9:141. [PMID: 23870652 PMCID: PMC3717043 DOI: 10.1186/1746-6148-9-141] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Accepted: 07/15/2013] [Indexed: 11/18/2022] Open
Abstract
Background The TSH stimulation test to confirm canine hypothyroidism is commonly performed using a recombinant human TSH (rhTSH), as up to date, canine TSH is not yet commercially available. Limiting factors for the use of rhTSH are its high costs and occasional difficulties in product availability. Less expensive bovine TSH preparations (bTSH) purified from bovine pituitary glands are readily commercially available. The aim of this study was to evaluate two different bTSH products as alternative to rhTSH using mass spectrometry. Results More than 50 proteins, including other pituitary hormones, bovine albumin, hemoglobin, and tissue proteins were identified in the bTSH preparations. In contrast, rhTSH proved to be a highly pure product. Significantly higher endotoxin levels could be detected in all bTSH products compared to the rhTSH. Conclusions Both bTSH products are crude mixtures and therefore not an acceptable alternative to rhTSH. Their use should be discouraged to prevent unintended side effects.
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Affiliation(s)
- Sandra Schaefer
- Clinic for Small Animal Internal Medicine Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
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Chruszcz M, Mikolajczak K, Mank N, Majorek KA, Porebski PJ, Minor W. Serum albumins-unusual allergens. Biochim Biophys Acta Gen Subj 2013; 1830:5375-81. [PMID: 23811341 DOI: 10.1016/j.bbagen.2013.06.016] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Revised: 06/13/2013] [Accepted: 06/17/2013] [Indexed: 01/27/2023]
Abstract
BACKGROUND Albumins are multifunctional proteins present in the blood serum of animals. They can bind and transport a wide variety of ligands which they accommodate due to their conformational flexibility. Serum albumins are highly conserved both in amino acid sequence and three-dimensional structure. Several mammalian and avian serum albumins (SAs) are also allergens. Sensitization to one of the SAs coupled with the high degree of conservation between SAs may result in cross-reactive antibodies in allergic individuals. Sensitivity to SA generally begins with exposure to an aeroallergen, which can then lead to cross-sensitization to serum albumins present in food. SCOPE OF REVIEW This review focuses on the allergenicity of SAs presented in a structural context. MAJOR CONCLUSIONS SA allergenicity is unusual taking into account the high sequence identity and similarity between SA from different species and human serum albumin. Cross-reactivity of human antibodies towards different SAs is one of the most important characteristics of these allergens. GENERAL SIGNIFICANCE Establishing a relationship between sequence and structure of different SAs and their interactions with antibodies is crucial for understanding the mechanisms of cross-sensitization of atopic individuals. Structural information can also lead to better design and production of recombinant SAs to replace natural proteins in allergy testing and desensitization. Therefore, structural analyses are important for diagnostic and treatment purposes. This article is part of a Special Issue entitled Serum Albumin.
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Affiliation(s)
- Maksymilian Chruszcz
- Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, SC 29208, USA.
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Carroll M, Horne G, Antrobus R, Fitzgerald C, Brison D, Helbert M. Testing for hypersensitivity to seminal fluid-free spermatozoa. HUM FERTIL 2013; 16:128-31. [PMID: 23751111 DOI: 10.3109/14647273.2013.800238] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Hypersensitivity to human semen (HHS) is an increasingly reported condition with symptoms manifested locally and systemically, which in some cases may result in anaphylaxis. This report describes four cases of HHS all with positive allergy skin prick tests to partner's whole semen. None of the patients elicited a response to seminal fluid-free washed spermatozoa. In cases of high risk of anaphylaxis, we recommend avoiding exposure to semen. By carrying out an allergy skin prick test on seminal fluid-free washed spermatozoa, the risk of immunogenic reaction to the spermatozoa could be eliminated.
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Affiliation(s)
- Michael Carroll
- Department of Reproductive Medicine, St Mary's Hospital, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Sciences Centre, Manchester, UK.
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Liccardi G, Asero R, D'Amato M, D'Amato G. Role of sensitization to mammalian serum albumin in allergic disease. Curr Allergy Asthma Rep 2011; 11:421-6. [PMID: 21809117 DOI: 10.1007/s11882-011-0214-7] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Serum albumin (SA) constitutes an intriguing puzzle that is involved in allergic sensitizations from different sources and induces different clinical manifestations. In this article, we describe the role of sensitization to SAs in inducing allergic diseases and the complex interactions and cross-reactivity between SA resulting from its presence in various mammalian tissues and fluids. SAs alone are an uncommon cause of allergic sensitization in airways, but these allergenic proteins likely play a significant role as cross-reacting allergens in individuals sensitized to several types of animal dander. SAs are a minor allergen in milk but a major allergen in meats. Recently, bovine SA has been added to the culture medium of spermatozoids used for artificial insemination. As a consequence, some case reports have shown that bovine SA may be a causative agent in severe anaphylaxis after standard intrauterine insemination or in vitro fertilization.
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Affiliation(s)
- Gennaro Liccardi
- Department of Chest Diseases, Division of Pneumology and Allergology, High Specialty, A.Cardarelli Hospital, Piazzetta Arenella n° 7, 80128 Naples, Italy.
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