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Central European Journal of Immunology
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vol. 46
Case report

Achromobacter denitrificans pneumonia in a kidney transplant recipient – dose-dependent decrease of phagocytic activity as a potential mechanism for everolimus pulmonary toxicity

Justyna Eliza Gołębiewska
Ewa Bryl
Agnieszka Daca
Andrzej Chamienia
Dominik Świętoń
Alicja Dębska-Ślizień

Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdańsk, Poland
Department of Pathology and Experimental Rheumatology, Medical University of Gdańsk, Poland
Department of Radiology, Medical University of Gdańsk, Poland
Cent Eur J Immunol 2021; 46 (3): 405-417
Online publish date: 2021/09/28
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The mammalian target of rapamycin (mTOR) inhibitors sirolimus and everolimus (EVR) are immunosuppressive drugs commonly used in renal transplantation. mTOR inhibitors have antiangiogenic and antineoplastic properties, and therefore are associated with a lower risk of malignancy than other immunosuppressive agents. Reduced incidence of cytomegalovirus and BK virus (BKV) infections in kidney transplant (KTx) recipients receiving EVR were also reported [1, 2]. Pulmonary adverse effects are relatively common in KTx recipients treated with mTOR inhibitors with a reported frequency of 2-11% and the onset of symptoms between 1 and 51 months after the initiation of therapy [3]. Several distinct types of pulmonary damage have been recognized, including lymphocytic interstitial pneumonitis, lymphocytic alveolitis, bronchiolitis obliterans with organizing pneumonia, focal pulmonary fibrosis, and even diffuse alveolar hemorrhage [3-5]. At the onset of this complication, patients with mTOR inhibitor-associated pneumonitis usually present with a cough and/or dyspnea and/or respiratory insufficiency, and sometimes with systemic symptoms such as fever and fatigue. Occasionally, only changes on high-resolution computed tomography (HRCT) scans are observed, with no accompanying clinical symptoms. The most common on HRCT scans are ground-glass opacities, inter-/intra-lobular septal linear thickening, or multifocal areas of parenchymal lung consolidation with a basilar predominance [3-5]. Also rare cases of opportunistic pulmonary infections, Pneumocystis jiroveci pneumonia and invasive pulmonary aspergillosis, mimicking typical noninfectious mTOR inhibitor-induced pulmonary adverse events, were reported in both EVR and temsirolimus treated patients [6-8].

Even though both the clinical symptoms and radiological signs have been well described, the etiopathogenic mechanism of mTOR-inhibitor-associated pulmonary toxicity is still unclear.

Case report

A 68-year-old man with end-stage renal disease of unknown etiology underwent a KTx from a 32-year old deceased female donor, who died of head trauma (cytomegalovirus D–/R+, Epstein-Barr virus D+/R+). He had a past history of type 2 diabetes, hypertension, coronary artery disease and squamous cell carcinoma of the tibial area resected 8 years before the KTx. His past medical history also included pulmonary tuberculosis. He had been maintained on haemodialysis for the preceding seven years. At the time of KTx he was in a good general condition. HLA mismatching was 0 : 1 : 0 (A, B, DR), respectively. Anesthesia and surgery were uneventful, with good initial kidney perfusion. He underwent basiliximab induction therapy and commenced EVR, cyclosporine (CsA) and prednisone maintenance therapy. EVR was introduced because of the history of squamous cell carcinoma. CsA was chosen over tacrolimus in order to prevent significant deterioration of glycemic control in a patient with type 2 diabetes. The doses of EVR and cyclosporine were adjusted to maintain standard target trough levels. The chest X-ray performed on the day of KTx showed no obvious abnormality. Three months later the patient presented with fever, progressive dyspnea, and a productive cough for two weeks. On general examination, the patient was conscious and well-oriented. He had a pulse rate of 108/min, lood pressure of 100/60 mmHg, respiratory rate of 28 cycles/min and there was evident cyanosis. Room air oxygen saturation was around 90%. Other systemic examinations were normal. Admission chest radiography showed patchy infiltrates suggestive of bacterial pneumonia in the left inferior segments corresponding to crackles, rhonchi and wheezes on auscultation. His laboratory testing revealed a white blood cell (WBC) count of 15.8 × 109/l, hemoglobin 11 g/dl, platelet count 216 × 109/l, absolute neutrophil count 14.9 × 109/l, absolute lymphocyte count 0.32 × 109/l, and C-reactive protein (CRP) 281 mg/l. Kidney function was stable with serum creatinine of 0.92 mg/dl and MDRD eGFR on admission > 60 ml/min/1.73 m2. The EVR level was 7.1 ng/ml and cyclosporine level 150 ng/ml (Table 1).

Table 1

Trough levels of cyclosporine and everolimus after kidney transplantation

Time since kidney transplantation (weeks)Cyclosporine (ng/ml)Everolimus (ng/ml)
12150.07.1 – EVR dose decreased
14133.53.2 – EVR dose decreased
15127.92.1 – EVR withheld

[i] EVR – everolimus

He initially received amoxicillin/clavulanic acid. Bacterial cultures of blood and urine were negative. The symptoms improved, and fever resolved, with a decrease in both WBC and CRP levels over the next few days with empiric antibiotic treatment. There was clinical improvement, but without a radiological resolution. An HRCT scan (Fig. 1A) revealed a disseminated nodular pattern in both lungs, accompanied by peribronchial consolidations and lung parenchyma retraction dominating in the lower lobes. No pleural effusion was seen. Bronchoscopy was unremarkable. A transbronchial biopsy revealed mild nonspecific inflammation with areas of fibrosis in the bronchial walls. Bronchoalveolar lavage was sent for cell count, bacterial and viral culture, and fungal and acid-fast bacillus analysis. Both sputum and bronchoalveolar lavage cultures were positive for Achromobacter denitrificans. After a complete diagnostic workup including repeated bacterial and mycobacterial cultures, QuantiFERON1-TB Gold test, blood CMV-PCR, blood Aspergillus galactomannan and Candida mannan, immunofluorescent staining of bronchoalveolar fluid for Pneumocystis jiroveci, other pulmonary opportunistic infections were ruled out, and a diagnosis of A. denitrificans pneumonia and EVR pulmonary toxicity was made. A 17-day course of piperacillin/tazobactam chosen according to the susceptibility profile (Table 2), and a reduction of the EVR dose to the target trough levels of 2.8-3.2 ng/ml resulted only in partial resolution of radiological abnormalities confirmed by HRCT (Fig. 1B). After three weeks of antibiotic treatment EVR was withheld. EVR discontinuation with no additional antibiotic treatment resulted in complete recovery and a complete resolution of pulmonary infiltrates in an HRCT performed at a further 10-week follow-up (Fig. 1C). The immunosuppressive regimen on discharge was restricted to cyclosporine and glucocorticosteroids.

Fig. 1

A) Initial computed tomography (CT) of the lungs shows poorly defined bilateral patchy consolidations without pleural effusion, B) chest CT after 3-week antibiotic treatment and everolimus (EVR) dose reduction shows only partial resolution of bilateral patchy consolidations, C) CT performed 10 weeks after EVR discontinuation shows complete resolution of symptoms

Table 2

Antimicrobial susceptibility testing for Achromobacter denitrificans strains isolated from both sputum and broncho-alveolar lavage

AntimicrobialSputumBroncho-alveolar lavage
Amoxicillin/clavulanic acidII
Cefuroxime sodiumRR

[i] S – susceptible, I – intermediate, R – resistant

We performed a functional analysis of peripheral blood neutrophils and monocytes using Phagotest and Phagoburst tests (both Glycotope Biotechnology, Germany).

Phagotest measures the ability to perform phagocytosis, or specifically the ability of the phagocytes to take up the bacteria, by assessing the level of fluorescence emitted by phagocytes – both monocytes and neutrophils. The fluorescence comes from fluorescently stained bacteria engulfed by the phagocytes. Phagotest was performed in accordance with the manufacturer’s protocol and with modifications. The original protocol involves the use of Escherichia coli stained with FITC (fluorescein) only (included in kit). Phagotest was also used for assessing the phagocytosis of A. denitrificans stained with CFDA (carboxyfluorescein diacetate succinimidyl ester). This method was established in our laboratory and described elsewhere [9]. The fluorescence emitted by phagocytes reflects the intensity of the engulfment of bacteria. Apart from using different bacteria, all stages of the manufacturer’s manual were performed in the same manner for E. coli and A. denitrificans phagocytosis assessment. Phagoburst measures the ability of phagocytes to effectively kill the bacteria by the oxidative burst. The intensity of oxidative burst is estimated by assessing the conversion of non-fluorescent DHR123 (dihydrorhodamine 123) into green fluorescence-emitting R123 (rhodamine 123) in the presence of reactive oxidants. The higher the fluorescence is, the more intense is the oxidative burst. As in case of Phagotest, the assessment with E. coli (already in the manufacturer’s kit) and A. denitrificans isolated from the patient’s sputum and bronchoalveolar lavage was performed according to the manufacturer’s protocol. The fluorescence intensity was assessed using a FACScan cytometer (BD, USA).

Flow cytometry techniques have been extensively used to evaluate phagocyte function. Both Phagotest and Phagoburst have been shown to be useful tests for the evaluation of phagocytosis and oxidative burst activity in different research contexts, providing repeatable and credible results [10-13].

The ex vivo phagocytic activity (Fig. 2) and intensity of oxidative burst (Fig. 3) measured by the mean fluorescent intensity (MFI) of neutrophils and monocytes against E. coli and A. denitrificans were assessed using patients’ cells collected on EVR (2.8 ng/ml) and using patient cells collected 3 weeks after EVR discontinuation, and using cells from a healthy control.

Fig. 2

Ex vivo phagocytic activity of neutrophils and monocytes against Escherichia coli and achromobacter denitrificans measured by mean fluorescent intensity (MFI)

Fig. 3

Ex vivo intensity of oxidative burst of neutrophils and monocytes against Escherichia coli and achromobacter denitrificans measured by mean fluorescent intensity (MFI)


The phagocytic activity against A. denitrificans and E. coli of patient neutrophils and monocytes collected during EVR treatment was notably lower compared to neutrophils and monocytes from a healthy control, especially in the case of E. coli. The phagocytic activity of patient neutrophils and monocytes after 3 weeks of EVR absence was higher than patient cell activity in the presence of EVR. The phagocytic activity of patient cells off EVR against A. denitrificans was similar to the activity of healthy controls; however, the activity of patient cells off EVR against E. coli was still below the activity of control cells (Fig. 2).

The level of oxidative burst from neutrophils and monocytes, even more so, obtained from the patient on EVR treatment was significantly lower than the oxidative burst from the healthy control cells. After 3 weeks of EVR absence, the oxidative burst of patient neutrophils engulfing E. coli and A. denitrificans was restored to a level similar to the healthy control, even though the patient continued to receive prednisone and CsA. The level of oxidative burst carried out by patient monocytes was also improved with EVR absence, but still lower by half compared to monocytes of a healthy control (Fig. 3).

To confirm the aforementioned EVR properties we performed a similar assay in vitro using peripheral blood neutrophils and monocytes from a healthy donor. These cells were exposed to four different concentrations of EVR, ranging from 2 to 15 ng/ml (2 ng/ml, 5 ng/ml, 8 ng/ml and 15 ng/ml). The processes of phagocytosis and oxidative burst generation against both A. denitrificans and E. coli were again significantly affected by increasing doses of EVR in a dose-dependent manner (Figs. 4 and 5).

Fig. 4

in vitro phagocytic activity against Escherichia coli and achromobacter denitrificans of a healthy volunteer’s neutrophils and monocytes exposed to different everolimus (EVR) concentrations measured by mean fluorescent intensity (MFI)

Fig. 5

in vitro intensity of oxidative burst against Escherichia coli and achromobacter denitrificans of a healthy volunteer’s neutrophils and monocytes exposed to different everolimus (EVR) concentrations measured by the mean fluorescent intensity (MFI)


Discussion and conclusions

Few animal or in vitro studies have evaluated the pathogenesis of mTOR inhibitor-induced lung toxicities, and the underlying mechanisms remain to be determined. An immunological dose-independent origin is suggested, with three main mechanisms involved. First, mTOR inhibitors might expose cryptic antigens and induce an autoimmune response [14]. Second, a delayed-type hypersensitivity reaction is possible with an mTOR inhibitor as a hapten [15]. Third, pulmonary inflammation could be the consequence of cytokine production alterations caused by mTOR inhibitors. In vitro studies confirm that mTOR inhibitors stimulate the release of a number of proinflammatory cytokines such as interleukin (IL)-12, IL-23, tumor necrosis factor (TNF) and IL-1β while inhibiting the secretion of the anti-inflammatory cytokine IL-10 [15-17]. Additionally, a dose-related effect – and therefore directly toxic mTOR effect – has been suggested [14, 18].

Washino et al. found in an animal model that treatment with another mTOR inhibitor, temsirolimus, depleted alveolar macrophages in vivo, which, as the authors hypothesized, might lead to an accumulation of surfactant lipids, a condition seen in many respiratory pathologies. Temsirolimus also inhibited macrophage proliferation at lower drug concentrations, whereas it induced cell death in primary cultured alveolar macrophages at higher concentrations in vitro [19]. In another study by Wislez et al. [20] temsirolimus induced apoptosis of intraepithelial macrophages in alveolar epithelial neoplasia in K-rasLA1 mice. Several clinical case reports of EVR-induced lung injury also present macrophage depletion in BAL cell analyses [21, 22]. Observations on the mTOR inhibitor influence on neutrophils and monocytes/macrophages are consistent with our results showing dose-dependent impairment of neutrophil/monocyte phagocytic activity and oxidative burst generation. Fernandez-Botran et al. reported that in patients suffering from community-acquired pneumonia, blood neutrophil functional responses (phagocytosis and phagocytosis-stimulated respiratory burst activity) were elevated as compared to healthy controls [23]. We observed that in our patient with pneumonia blood neutrophil and monocytes functional responses were significantly reduced after exposure to EVR, as demonstrated by ex vivo assays.

It is known that alveolar macrophages are major effector cells in initiating and orchestrating the respiratory immune response to infectious agents. Alveolar macrophage depletion and inadequate alveolar macrophage function may result in an increase in pulmonary surfactants, but also affect the resolution of tissue inflammation, leading to collateral damage. Macrophage-depleted mice showed both higher concentrations of intrapulmonary cytokines, with greater numbers of activated polymorphonuclear cells, and accumulation of apoptotic and secondary necrotic neutrophils when compared to control mice [24].

Achromobacter denitrificans is a gram-negative, mobile, strictly aerobic, ubiquitous, nonglucosefermenting , oxidase- and catalase-positive bacterium present in soil and water [25]. This bacterium only rarely causes human infections. Most of the infections by Achromobacter are asymptomatic. The symptomatic infections usually occur in immunodeficient patients and include cases of bacteriemia, natural valve or prosthetic valve endocarditis, meningitis, pneumonia, peritonitis, conjunctivitis, osteomyelitis, intra-abdominal abscess, and prosthesis infections [26].

Therefore, the observed A. denitrificans pneumonia was probably a superimposed phenomenon resulting from the same, as in the case of mTOR-related pneumonitis and impaired function of neutrophils and monocytes/macrophages. Given the presented clinical scenario it is difficult to clearly distinguish between the relative contributions of infection and possible EVR toxicity. Other cases of opportunistic pulmonary infections, Pneumocystis jiroveci pneumonia and invasive pulmonary aspergillosis, mimicking typical pulmonary adverse noninfectious mTOR inhibitor-induced pneumonitis and cryptogenic organizing pneumonia, have been reported previously in both EVR and temsirolimus treated patients [6-8]. In all three cases the identification of opportunistic pathogens in both bronchoalveolar lavage and biopsy specimens was an unexpected finding. Pneumocystis jiroveci infection induced only mild chronic inflammation assessed by bronchoalveolar lavage fluid analysis, and the authors concluded that the paucity of inflammatory reaction could result from immunosuppression due to cancer recurrence or glucocorticosteroid treatment [6]. This could also reflect the impaired function of neutrophils and monocytes/macrophages.

In a large phase III clinical trial program of EVR the incidence of interstitial lung disease was 0.4%. In three of the four heart Tx recipients the discontinuation of EVR resulted in interstitial lung disease improvement or resolution, while there was no improvement in a patient who continued to receive EVR. The outcome was fatal in the KTx recipient, in whom EVR therapy was continued and in the liver Tx recipient despite EVR discontinuation, probably due to a superimposed infection. After having analyzed the available literature, the authors concluded that prompt discontinuation of mTOR inhibitor therapy as soon as interstitial lung disease is diagnosed is crucial to ensure a favorable outcome [27].

Withdrawal of immunosuppression is a key component of treating infections in immunocompromised patients. However, the neutrophil and monocyte/macrophage function clearly improved after withdrawing EVR, even though the patient was still maintained on prednisolone and cyclosporine. The in vitro dose-dependent impairment of a healthy volunteer’s neutrophil/monocyte functional responses also would suggest direct EVR toxicity. This is in agreement with a study by Solazzo et al., which reported a relationship of interstitial lung disease to EVR trough concentration > 9.03 ng/ml in a group of 500 KTx recipients on an EVR and CsA combined protocol [28].

In conclusion, the present report is the first to suggest dose-dependent impairment of neutrophil/monocyte functional responses such as phagocytic activity and oxidative burst generation, as possible mechanisms of mTOR associated pulmonary toxicity. The phenomenon described provides one possible explanation; however, more rigorous investigation is needed to define the exact biological machinery associated with this clinical condition.

Ethics approval and consent to participate

Bioethics Committee of the Medical University of Gdańsk approval no. NKBBN/195/2018. One of the authors (A.D.) provided a blood sample as a healthy control after providing written informed consent. Written informed consent was obtained from the patient for publication of this case report and all accompanying images.

Availability of data and materials

All data containing relevant information to support the findings is included in the manuscript. There are no data sheets related to this case report.


This work was supported by the Polish Committee for Scientific Research via the Medical University of Gdansk (ST-4). The funder had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript.


We sincerely thank all health care workers who contributed to management of this patient including the microbiology and immunology teams, and all who helped us to publish the case report.


[3] Conflicts of interest The authors declare no conflict of interest.



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Shoji S, Uchida K, Inoue G, Takata K, Mukai M, Aikawa J, Iwase D, Takano S, Sekiguchi H, Takaso M: Increase in CD5L expression in the synovial membrane of knee osteoarthritis patients with obesity 231

Skopiński P, Radomska-Leśniewska DM, Izdebska J, Kamińska A, Kupis M, Kubiak AJ, Samelska K: New perspectives of immunomodulation and neuroprotection in glaucoma 105

Skrzypczyk P, Zacharzewska A, Szyszka M, Ofiara A, Pańczyk-Tomaszewska M: Arterial stiffness in children with primary hypertension is related to subclinical inflammation 336

Słotwiński R, Lech G, Słotwińska SM: Molecular aspects of pancreatic cancer: focus on reprogrammed metabolism in a nutrient-deficient environment and potential therapeutic targets 258

Słotwiński R, Słotwińska SM: Pancreatic cancer and adaptive metabolism in a nutrient-deficient environment 388

Stelmasiak M, Bałan BJ, Mikaszewska-Sokolewicz M, Niewiński G, Kosałka K, Szczepanowska E, Słotwiński R: The relationship between the degree of malnutrition and changes in selected parameters of the immune response in critically ill patients 82

Sun M, Wu J, Liu W: Profiling changes in microRNAs of immature dendritic cells differentiated from human monocytes 10

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Volokha A, Bondarenko A, Chernyshova L, Hilfanova A, Stepanovskiy Y, Boyarchuk O, Kostyuchenko L: Impact of the J Project on progress of primary immunodeficiency care in Ukraine 250

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Xu W, Li S, Chang X: E2F2 stimulates CCR4 expression and activates synovial fibroblast-like cells in rheumatoid arthritis 27

Xue X, Liu Q, Xu W, Yuan J, Zhou H, Zou X, Han S, Meng X, Wang X: Imbalanced Th17/Treg in peripheral blood of adult patients with immunoglobulin A vasculitis nephritis 191

Yu Y, Zhu C, Yu N, Yang L: Tim-1 alleviates lupus nephritis-induced podocyte injury via regulating autophagy 305

Zdanowicz K, Daniluk U, Jewsiejenko E, Krasnodębska M, Motkowski R, Lebensztejn DM: Diagnosis of autoimmune neutropenia in a 10-month-old boy – a case report 118

Zhang B, Zhang Y, Li R, Li Y, Yan W: Knockdown of circular RNA hsa_circ_0003204 inhibits oxidative stress and apoptosis through the miR-330-5p/Nod2 axis to ameliorate endothelial cell injury induced by low-density lipo-protein 140

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Volume 46, Issue 1–3, 2021

Adamkiewicz-Drożyńska E 63

Aikawa J 231

Antonov A 68

Antoszewski B 360

Athanassiades T 92

Badowska W 365

Bajoriuniene I 401

Bałan BJ 82, 111

Ban C 162

Baños-Hernández CJ 375

Baumann U 244

Bąbol-Pokora K 270

Bednarek E 47

Bergmann CB 283

Biberthaler P 283

Bieniaś B 199

Billert H 47

Bock M 283

Bogucka-Fedorczuk A 121

Bogunia-Kubik 92

Bondarenko A 250

Bowszyc-Dmochowska M 183

Boyarchuk O 250

Božić-Nedeljković B 264

Bryl E 405

Brzozowska M 398

Bucala R 375

Cang X 314

Carbonell-Campos JM 76

Carpinelli MM 225

Chamienia A 405

Chamorro ME 225

Chang X 27

Cheng B 325

Chernyshova L 250

Cichoń-Kawa K 199

Ciepiela O 135

Czyż A 121

Daca A 405

Daniluk U 118

Dąbrowska A 210

Demkow U 135

Derwich K 365

Dębska-Ślizień A 405

Ding J 162

Dmochowski M 183

Drożyńska-Duklas M 199

Džopalić T 54, 264

Eglite J 275

Fang L 162

Fasshauer M 244

Fernández-Martínez E 76

Ferreira S 225

Fijałkowska M 360

Firszt-Adamczyk A 199

Gajewski Ł 199

Gao F 384

Gebert N 244

Giménez V 225

Glushkov A 68

Godínez-Rubí M 375

Goldacker S 244

Gołębiewska JE 405

Gordeeva L 68

Gornowicz-Porowska J 183

Gowin E 270

Górska R 236

Górska-Ponikowska M 63

Górski B 236

Grąbczewski A 111

Grześk E 210

Grześk G 210

Guo Y 384

Han S 191

Hanschen M 283

Haus O 210

Heimann L 283

Hermoso M 225

Hernández-Bello J 375

Hilfanova A 250

Hyla-Klekot L 127

Inoue G 231

Iwase D 231

Iwaszko M 92

Izdebska J 105

Jałowska MD 183

Janas-Kozik M 127

Januszkiewicz-Lewandowska D 270

Jewsiejenko E 118

Jiang H 325

Jiang S 38

Jiang Y 314

Jung S 283

Jurišić V 264

Kaczmarek E 183

Kamińska A 105

Karolczyk G 365

Kazanowska B 365

Kaźmierczyk-Winciorek M 99

Kitsiou V 92

Kolesova O 275

Kolesovs A 275

Kolossa K 92

Kołtan A 210, 365

Kołtan S 210

Konieczek J 210

Korkosz M 395

Kosałka K 82

Kosałka-Węgiel J 395

Kostic M 54

Kostyanko M 68

Kostyuchenko L 250

Koszutski T 127

Kościńska K 92

Kouniaki D 92

Kowalczyk J 365

Kowalski M 360

Koziej M 360

Kramica K 275

Krasnodębska M 118

Krueger R 244

Kubiak AJ 105, 111

Kulis J 365

Kupis M 105

Kurpisz M 47

Kusza K 47

Kuźmicka W 135

Langjahr P 225

Laterza O 225

Lebensztejn DM 118

Lech G 258

Lejman M 365

Leszczyńska B 344

Li C 217

Li F 38

Li G 325

Li R 140

Li S 27

Li T 295

Li Y 17, 140

Liu J 295

Liu Q 191

Liu W 10

Lu W 17

Lu Y 217

Luo G 325

Luo J 295

Luo Y 38

Lv J 17

Machnicki MM 121

Malinowska I 365

Małdyk J 199

Manda-Handzlik A 135

Manzey P 244

Marcinkiewicz J 1

Marjanovic G 54

Masi J 225

Matiakowska K 210

Mazur B 365

Meng X 191

Mikaszewska-Sokolewicz M 82

Milewski M 395

Milosevic I 54

Mizerska-Wasiak M 199, 344

Mizia-Malarz A 365

Mokrzycka N 398

Mole E 92

Morgut-Klimkowska M 210

Moskalik A 135

Motkowski 118

Mroczkowski K 344

Mukai M 231

Mun S 68

Muñoz Valle JF 375

Musteikiene G 401

Muszyńska-Rosłan K 365

Nassif MA 351

Navarro-Zarza JE 375

Nędzi-Góra M 99, 236

Niedźwiecki M 63, 365

Niewiński G 82

Notheis G 244

Ochrem B 395

Ociepa T 365

Ofiara A 336

Olszanecki R 1

Oros-Pantoja R 76

Ortiz-Villalba J 225

Pan J 314

Pańczyk-Tomaszewska M 199, 336, 344

Parra-Rojas I 375

Pawlak-Bratkowska M 199

Pawlik-Gwozdecka D 63

Pereira-Suárez AL 375

Pérez-Soto E 76

Pępek M 121

Pierzyna-Świtała M 365

Płoski R 121

Polenok E 68

Ponichter M 47

Porebski G 398

Pukajło-Marczyk A 199

Radomska-Leśniewska DM 105

Ramonaite A 401

Ritterbusch H 244

Rožman PJ 152

Rupp MC 283

Samelska K 105, 111

Sánchez Monroy V 76

Schauer U 244

Schuermann G 244

Schulze I 244

Sekiguchi H 231

Seraszek-Jaros A 183

Sędek Ł 365

Shao Y 17

Shoji S 231

Shu Z 325

Siejko A 199

Sikora P 199

Sitkauskiene B 401

Siwiec A 395

Skopiński P 105, 111

Skrzypczyk P 336, 344

Słotwińska SM 99, 258, 388

Słotwiński R 82, 258, 388

Song B 162

Soszyńska K 210

Spława-Neyman A 199

Stankiewicz R 199

Stelmasiak M 82

Stelmaszczyk-Emmel A 199

Stepanovskiy Y 250

Stokłosa T 121

Strach M 395

Styczyński J 210

Sun J 17

Sun M 10

Švajger U 152

Szaflik JP 111

Szczepanowska E 82

Szczepańska M 199

Szczepański T 365

Szuba A 121

Szyszka M 336

Świerkot J 92

Świętoń D 405

Takano S 231

Takaso M 231

Takata K 231

Tang R 314

Tarassi K 92

Tkaczyk M 199

Trelińska J 365

Tsirogianni A 92

Uchida K 231

Umlauf V 244

Urbańczyk A 210

Urosevic I 54

Vafin I 68

Vázquez-Villamar M 375

Verzhbitskaya N 68

Villanueva-Pérez MA 375

Volokha A 250

von Bernuth H 244

Wachowska M 135

Wang B 295

Wang G 217

Wang X[iaoqin] 191

Wang X[iujie] 314

Wang Y 295

Widmann S 244

Wielińska J 92

Witkowski JM 1

Wolny A 127

Woszczyk M 365

Wróbel T 121

Wu J 10

Wu L 162

Wysocki M 210

Wysoczańska B 92

Xie L 17

Xu K 295

Xu W[anju] 27

Xu W[encheng] 191

Xu Z 295

Xue J 162

Xue X 191

Yan W 140

Yang L[ijuan] 305

Yang L[i] 325

Yu N 305

Yu Y 305

Yuan J[un] 191

Yuan J[iemin] 295

Yuan Y 325

Yue D 295

Zacharzewska A 336

Zachwieja J 199

Zaleska-Żmijewska A 111

Zdanowicz K 118

Zeng Z 295

Zhang B 140

Zhang J 38

Zhang X[iaochun] 162

Zhang X[ingju] 38

Zhang Y[ufan] 140

Zhang Y[ali] 17

Zhong J 325

Zhou H 191

Zhu C 305

Zou X 191

Zwolińska D 199

Żurowska A 199

Copyright: © 2021 Polish Society of Experimental and Clinical Immunology This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License (http://creativecommons.org/licenses/by-nc-sa/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.
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